Haruo Niijima/History

==Plot==
==Ragnarök Saga==
===Introduction Arc===
Niijima is first seen mocking Kenichi about his weak demeanor and how Daimonji is going to crush him in their fight coming up. When Kenichi tries to ignore him, Niijima steps on him and kicks him continuously stating he should listen to his words and says from his information about how strong Daimonji is and mocks Kenichi for not having any special talent. After Kenichi defeats Daimonji, Niijima spreads the word around school and has Tsukuba, the strongest fighter and head of the karate club, interest to fight Kenichi, causing Kenichi to become terrified and angry at Niijima. Though Kenichi lost the first fight, after training, he defeats Tsukuba, causing Niijima to notice how much stronger he's gotten in such short time and warns him about Ragnarök how their targeting him now. 
=== The Three-Man Squad of Valkyrie Arc===
===Disciple Plans Arc===
After Kenichi loses at the hands of Shinnosuke Tsuji, as Niijima spreads the news around school again, which causes having more delinquents chase after Kenichi and Kenichi lashing out at Niijima again. 
===Valkyrie arc===
===Hermit Arc===
At school the next day, Kenichi wants to talk to Niijima about the Shinpaku Alliance flag. Niijima wanted Kenichi to join, but the latter refused. After school, Niijima and the Shinpaku Alliance bumped into Hermit who asked who trained Kenichi. Niijima didn’t know, but Hermit attacked them thinking he was lying. Niijima escaped through the sewers with one of the men from Shinpaku who was thrown in by Hermit earlier. Niijima followed Kenichi and Miu to Ryozanpaku dojo to see who was training Kenichi and thought Kenichi was living with demons and was tied up by Shigure and Apachai. When Kenichi had rumors about him beating up school members, he angrily asked if Niijima spread them, but Niijima admitted he had nothing to do with it. When they both heard of Kisara wanting revenge on Miu and planning to ruin the play Miu is in with Tanimoto, Niijima says this is perfect for Kenichi since it will get ruined, and there will be no kiss scene. However, Kenichi stopped them due to him knowing how much this play means to Miu. After the play, Miu would tell Kenichi that she knew he was protecting the play from Kisara due to Niijima telling her what happened, prompting Niijima to wonder if he really is starting to think of Kenichi as a friend.
===Siegfried Arc===
When Niijima and the other alliance members were at a restaurant to eat (and show off themselves), they were surrounded by Loki, the 4th fist and began holding off his clones till Kenichi, Ukita and Takeda arrived and saved them. The three stated they were here for a date only to be fooled when Niijima was their date and the three angrily gave chase to beat him up while Niijima was dressed like a girl. After Kenichi returned home from Chinatown, Niijima would arrive at the dojo to warn him about Siegfried, the 5th fist, who’s like a zombie by getting back up quickly no matter how many times he gets knocked down. Kenichi again refuses to help Niijima though the Ryōzanpaku masters are interested in a fighter like that. At night, Niijima was spying on Loki and Siegfried only to be caught by Loki’s partner, Number 20. 
However, Niijima harassed her by grabbing her chests and would escape. Siegfried followed Niijima even after he was seemingly defeated. 
Niijima reached the sewers, but Siegfried captured him. Niijima was left in a crate that was set to leave on a ship that was leaving Japan for a few days. Niijima told Loki that Kenichi would come to save him, but Loki said there was no way Kenichi would since Niijima was the worst bully towards Kenichi and getting rid of him would actually help Kenichi, leaving Niijima surprised realizing he was right. 
However, as Kenichi did show up to save him but was too late as the ship already left. He was on the ship and caused trouble due to him dressing like an alien and scaring the crew to jump ship. On a beach, Niijima was confused about where he was, but it was known he won't be back to Japan for a while. After a few days, he would return to Japan and seemingly brainwash Ukita and Takeda into joining the Shinpaku Alliance with Kenichi showing him about a website he made for them. Niijima created a website for the Shinpaku Alliance and surprising got a letter two days before registration. It was from Loki who showed he has Kenichi's sister Honoka hostage and they all rushed over to save her. While Kenichi made it to the church, Niijima and the others with Miu were held off by Loki's subordinates and Niijima was putting up a great fighting stance only to run away. The other three easily took down the 7 Loki's, but they were all fakes just to slow them down. 
They arrived at the church, but Ukita had to carry Niijima due to his "sickness" around churches and Ukita knocked him out due to annoyance. 
===Betrayal Arc===
Due to Ragnarök having kidnapped Honoka like that, Niijima convinced to fight the 7th fist Thor in a pit club being run by Ragnarok’s seventh fist, Thor. Kenichi didn’t want to do it, but Niijima told him that if he doesn’t attack first then an event like Honoka’s kidnapping would happen again, prompting Kenichi to agree with him for once. They arrive and Niijima helps hold off the lower thugs while Kenich fights Thor. After Thor is defeated, Niijima tells Thor that Kenichi wasn’t a subordinate, he was his "bad" friend. Thor remembered his friendship with Siegfried and knew that's why he left. The Shinpaku Alliance carried Kenichi home for his victory against Thor.
===Final Clash arc===
==Yami/Yomi Saga==
===Spark Arc===
===Yomi Introduction Arc===
===Bankruptcy Arc===
===D of D Tournament Arc===
===Yomi in School Arc===
===Master-Disciple Tag Match Arc===
===Weapon Fighters Arc===
===Okinawa Arc===
===Yami Transport Data Arc===
===The Tidat Kingdom Arc===
After hearing Miu was kidnapped by the Demon Fist Junazard, Kenichi started beating himself up for not being able to protect her only for Niijima to hit him with a chair saying if he wants to beat himself up so much, he'll be glad to but reminded him that he is not the only one worried about Miu. After Hongo gives Kenichi's masters word about where she is, the others alliance members wish him good luck They all put their fists in for goodbye except Niijima who thought was a Rock-Scissors-Paper Contest. 
A few weeks after Kenichi went to Tidat, Niijima and the others were assisted by Rachel due to her wanting to repay Kenichi's masters for saving her from Junazard and gives them the location of where she is in Tidat. Niijima uses his computer and tells Kenichi the location of Miu's whereabouts is.
===Returning to Japan Arc===
With Miu back home back to her old self and Jenazad dead, Niijima warns the other members about how the Yomi members haven't been coming to school lately and thinks it has something to do with Jenazad's death and warns them that "Judgement Day" is near. He later has all the alliance members gather to gain knowledge about their enemies now more than ever. 
As he scolds Matsui for messing on the computer over someone popular as Rimi, he remembers that name and looks at the picture of her and wonders why she's on a blog sight. He becomes excited over Rimi's stupidity and tells his men to blog and gather as much data on this site as they can while calling it a goldmine of information. 
===Titan Arc===
Following the discovery of a Yami base, Ukita and the rest of the alliance travel to the location but are forced to stay by the masters. However, after they leave, a limo that took the Yomi members from before arriving and Berserker and a member named Lugh. When Kenichi notes Niijima knows something, Niijima reveals he got word that Berserker joined Yami as Ogata's disciple. 
As he sees Lugh and Berserker leave, he attempts to goad Berserker to stay with multiple insults due to him sensing a bad feeling from Berserker and Lugh and because he feels that they have the advantage due to the situation and his desire to gather more information. 
However, it didn't seem to work as Lugh decides to fight the alliance. Believing that since they have more in numbers Niijima sends everyone to fight but is annoyed at Kenichi's decision to fight Lugh alone. 
He becomes shocked to hear from Sieg that Lugh is blind and tells him to get out of them before Lugh kills him. Niijima is then horrified seeing his neck broken only to be snapped back into place prompting Niijima to wonder what training he went through in Tibet. As Takeda fights Lugh alone, Niijima notes the stupidity that no one will gang up on him and is frustrated over their honor of fighting. 
As Takeda prepares to sacrifice his left arm to strike Lugh, Niijima does nothing stating he couldn't even if he wanted to, but they are both saved by Kenichi. As Lugh leaves, Niijima notes how despite martial arts being rough in his opinion, they have their honor to leave and senses his dark nature as he leaves when Shigure arrives. When she states she sensed a strong presence, Niijima notes they were lucky as if that fight had continued, Takeda might not have gotten out alive. 
Niijima later attends the amusement park with the others and notes with the battle of YOMI arriving some relaxing is good for others. 
later that night, he was shocked to bump into Berserker and runs away while Kenichi tells him to warn the others. He continues to run to find others to protect him only to see that everyone is fighting a YOMI member and runs into Miu fighting Rimi and notes there's nowhere for him to run. He later runs into Thor and the lower Valkyries and Matsui and warns them of the attack by Yomi. As others panic, he tells them to calm down and that they need to regroup and prepare for combat (though Niijima was just saying that to make everyone not notice he was panicking). They make their way to Rachel's and Renka's fight and marvel on how there almost naked, causing Renka to attack them in embarrassment. As he gloats how they saw everything, Rachel leaves believing she ashamed herself of not using flashy moves, much of his surprise. 
Seeing that the other fights have ended, Niijima wonders how Kenichi is holding up. He has the rest of the alliance leave the park while he and Renka go find Kenichi. They do after Niijima believes he saw someone who looked familiar leave with his family. 
The two find Kenichi and Miu along with Ryuto and Rimi and Niijima tells them everyone else is fine. He is then shocked to discover the person he saw was Tanaka and points out he's fine and with his family, which has Kenichi smiling knowing he was reunited with his family.
===The Eternal Sunset Arc===
Days later, Niijima greets most of the alliance after the battles and points out how Rachel and Chikage haven't gone to school lately and Tanimoto is going to school like nothing happened. When asked about Kenichi, he says he and Miu went to see the people who got out of the darkness: Ryuto and Rimi. Several days later, Niijima gathers all of the captains at the base to wait for Kenichi and Miu. Kenichi and Miu notice that Apachai and Shigure have been waiting at the base asleep the whole time, waiting for everyone to show up. Shigure then wakes up and tells them that she has something to give them, and then takes the bag away from a sleeping Apachai and hands all of the captains the arm protectors that she made for them, then demonstrates how strong the gear is against a weapon, which amazes everyone. 
Later on, he is informed by Miu and Kenichi of Shigure's capture by Yami, greatly shocking Niijima wondering how someone could as be strong as Shigure be captured only to realize it was because she fought 7 people on her own. Afterwards, Kenichi asks for his help to find a girl named Kiyoi Kidou through his network. After doing so, Niijima goes with Kenichi and the others to her location and discover of how her brother is a member of the Hachiou Executioner Blade and a special satellite phone that is impossible to make calls out of. However, at that moment Shigure calls Kiyoi, shocking everyone. She gives everyone her location before the phone on her end was destroyed, to which Niijima remains silent as the phone goes dead. They then leave once they have her location, to which they are approached by Okamoto again who seems to have been listening. Later, Okamoto take Niijima and the Shinpaku Alliance out to find Shigure while the Ryozanpaku masters attempt to attack the base headfirst. 
Okamoto apologizes for the situation but notes the alliance and Ryozanpaku may be the only ones able to save everyone now, as Japan is Yami's first target. On the way over, Niijima watches as Miu and Kenichi spar noting how they and everyone else have progressed so far now, especially under Okamoto's progress as he helps spar with them as well. As Kisara complains about the tight space, Niijima sates it can't be helped since they are in a submarine in the bottom of the ocean. As they are all resting later, Freya questions Niijima about Okamoto if they can really trust him, to which Niijima also admits his doubts in Okamoto but admits he is extremely skilled. As everyone voices their concerns in the up coming battles, Niijima tells them to all calm down and remember their original purpose: using a USB drive they are to sneak into the Yami base's missile system and render it powerless. He advises them to leave the fighting to the masters as they have their own battle in this war. As Okamoto returns and tells them its time, the Shinpaku Alliance prepares for battle. 
After Okamoto takes out the soldiers at the bay, Niijima expresses his amazement at his skills as he and the others dock on land and enter the forest. 
Once they are ambushed by Yami soldiers to which the others are able to take down. Okamoto volunteers that he stay behind to defeat the rest of the soldiers as the commotion can distract Yami and allow the disciples to sneak inside the missile base. Niijima asks if he's sure about his suggestion since the outcome of the war hinges on the success of their mission; Okamoto repeats the same words that the Katsujinken masters said to the disciples ("I know you guys will come through.") and states that he'll place his faith in the disciples as well. They escape and reach a waterfall, to which Niijima note they are close to the base. 
However, just then they are found by the YOMI disciples. Siegfried calls out to Niijima, who tells Kenichi and Miu that they'll take advantage of the commotion and move on ahead. Kenichi rejects the idea as he doesn't want to abandon his friends, but Niijima reminds him of their purpose of disabling the missile base. Niijima adds that the captains of the Shinpaku Alliance have talked about this prior to the battle and they encourage Kenichi to advance. Kenichi, Miu, and Niijima run into the forest to take cover as the other Katsujinken disciples charge in towards the battle. Once they arrive at the base, Miu and Kenichi take out the soldiers to which YOMI's leader, Kajima Satomi shows up and agrees to escort them to Shigure's location. Kajima Satomi leads Kenichi, Miu, and Niijima to the cell where Shigure is being held to find that she has already escaped. When Kajima reaches his hand out to shake Kenichi's, Niijima stops Kenichi from being so naive and he uses his "Niijima Eye" on Kajima. He analyzes his profile of Kajima states that he senses a dual nature in Kajima, causing him to take notice and compliment Niijima. Kajima confirms that he has two masters and as he shakes Kenichi's hand, he adds that he has an order from his other master: to kill any intruders. Kenichi is restrained through Kajima's handshake and Miu is attacked by Kajima's assistants. 
Kajima adds that Niijima is especially dangerous and that he has to be killed. Kajima grabs Niijima by the head and begins crushing his skull but he is stopped by Kenichi who manages to kick out from his position. Niijima tries to talk to Kajima as he had been ordered to get them inside the base (by Miu's father), but Kajima adds that he was also ordered by Senzui to kill them, and he has been wanting to fight against Kenichi. Niijima tries to sneak away from the battles, but Kajima runs past Kenichi and aims an attack at Niijima to stop him. After seeing Kajima use seals on his toes and hands, Niijima questions the authenticity of the seals, asking if Kajima is some sort of ninja to which he replies that Kuremisago was originally a ninja clan. As Kenichi and Kajima continue their bout Niijima eventually eludes them. Niijima runs through the base and makes his way to the control room, but he is stopped by Saiga Furinji who asks him to hand over the virus. 
Niijima panics as he unsuccessfully tries to trick Saiga by giving him fake objects and Saiga comments that Niijima is tougher than he looks, and he needs to be killed. As he aims for Niijima a kick blocks Saiga's arm and Hongo aims a thrust at Saiga who parries it. Niijima is stricken immobile being so close to the battle, despite his ability to ignore any situation and escape. Niijima moves his finger, but an attack immediately lands next to him, causing him to marvel at Saiga for being able to notice him despite facing off against another master. 
Niijima is stunned by the immensity of the killing intent between the two fighters as Hongo takes a stance and prepares his technique. However, Saiga pares and easily defeats Hongo as Niijima is approached by Saiga again. Niijima is helpless as Saiga reaches out to kill him but is saved by James Shiba who was directed there by Kenichi. However, Shiba says that he did not arrive to save Niijima but rather to settle his grudge against Saiga as Saiga calmly comments that the forgotten underground boxer will die a pointless death. Saiga charges towards Shiba but the boxing master moves back and suddenly grabs Niijima. Saiga is caught off-guard as he realizes that Shiba is taking Niijima to escape. Shiba jumps 20 floors to take Niijima to the missile control room and he laughs at Saiga, saying that he intends to get back at him any way that he can, adding that revenge is about stopping your opponent's goals rather than defeating them in a fight. 
Shiba drops off Niijima and tells him to go on ahead as he holds back Saiga, destroying the entrance to the hallway to prevent pursuit. Niijima runs off to the control room while Shiba stays behind and fights Saiga. Niijima arrives at the control room to find it guarded, and he thinks of a plan to sneak inside. After some thought he thinks of catching the soldiers off-guard by suddenly dancing in front of them and then sneaking past them once they let their guard down. He thinks of the captains of the Shinpaku Alliance who are fighting and relying on him and Niijima resolves to carry out his plan. Unfortunately, his plan fails, and he is captured, he tries to negotiate for his life, but the security leader ignores him and orders to have Niijima killed. 
As the soldiers would slash at Niijima with their katanas are suddenly cut and Shigure appears to rescue him. 
A man within the control room orders the entrance to be sealed off but Shigure blocks the closure with her sword and knocks out the people inside the control room. 
Niijima goes to a computer and prepares to install the virus and Shigure senses an opponent approaching, just as Saiga arrives and sees that the control room has been breached. She successfully locks the room behind them and keeps Saiga back while Niijima successfully uploads the virus. Unfortunately for him, As Saiga and Senzui (who both disguised themselves as different people) blasted their way through the iron door and destroyed the computers in that room. Niijima then panics as his virus wasn't fully uploaded and, with Shigure's and Tochumaru's help, looks for a working computer to upload the virus while Kenichi fights Kajima to keep him from interfering. An announcement says that there are two minutes left until the missiles launch and Niijima has found a computer to complete the virus upload. Shigure tells him to hurry as they have been discovered by the enemy and she is seen fighting off a wave of enemy troops. 
After Kajima uses Kai Shinogidachi on Kenichi, Niijima calls out to Kenichi and gives an evil laugh after Kenichi counters Kajima with his "holding" ki method and watches amazed as Kenichi defeats Kajima. After Saiga's and Senzui's fight comes to an end Niijima celebrates as he was successful in stopping the missile from launching. 
However, he notices as Saiga was able to get the remote detonator from Senzui and tells him to be careful. He then reacts horrified as Senzui is able to get it from Saiga as he activates it while killing Senzui in the process. As the missile is launched, the elder shows up and sacrifices himself by destroying the missile himself. Luckily, the Elder survives and the alliance later celebrates their victory as Yami officially collapses. However, Niijima ends up ruining the festive mood, as usual, by reminding the others that they have school tomorrow, causing them to retort by telling him to "shut up" and some even throw rocks at him.
===Epilogue===
In the Epilogue, Niijima's business has increased largely, as he was seen in a photo with several people behind him in suits, hinting he achieved his dream of expanding the Shinpaku Alliance all over the world.