Ryutarou Sakagami

Ryutarou Sakagami is one of the major characters of Arifureta: From Commonplace to World's Strongest. He is the best friend of Kouki Amanogawa and childhood friend of both Shizuku Yaegashi and Kaori Shirasaki. He is one of Hajime Nagumo's classmates (usually he considered Hajime as a friend due to his mutation and after he murdered Hiyama for his betrayal). He is one of Ehit's former (fake) chosen heroes until he learned he is an imposter by Aiko-Sensei and Princess Liliana due to Nagumo.
After the demon invasion along with the betrayal of Eri Nakamura and the death of the traitor, Daisuke Hiyama, Ryutarou (along with Kouki Amanogawa, Shizuku Yaegashi and Suzu Taniguchi) travel with Hajime and his party to clear the last remaining labyrinths and kill Ehit for his selfishly summon. But unlike Kouki, he is successfully defeated his trial's doppelganger and acquire "Age of Gods" Magic. 
He is voiced by Ryuichi Kijima in the Japanese version of the anime, and by Aaron Campbell in the English version of the anime.
==Personality==
He is your typical energetic muscle-brained person. He values hard work and tends be rash in his actions. While he's not as dense as Kouki, Ryutarou is still pretty slow when it comes to understanding women feelings.
Like Kouki Amanogawa, he is highly reckless and optimist.
He is loyal to his friends and originally look down on Hajime before he fell but not anymore due to his survival and monstrous appearance. He feared and shown respects the mutated Hajime after he murdered Cattleya. He admired military soldiers and idolized Gunnery Sergeant Hartman as he considered Hajime to be a pupil of his idol. He loves military training methods as his dream is to become a police officer. He has a strong touching momentum of begging Hajime to train him as he considered him a friend for his strong resolve. Unlike Kouki, Ryutarou doesn't condone Hajime for his actions of murdering the traitorous creep, Daisuke Hiyama as Ryutarou has such terrible memories of how his absolute hatred toward Hiyama even worse when he severely injured Kaori as he will never forgive Hiyama for what he have done even in school and Tortus. He take Hajime's warning seriously as he let Hajime to have his childhood friends (Kaori and Shizuku) to fall for him to ensure not to get involved on Hajime's bad side when he killed Hiyama. After Hajime revived Kaori, Ryutarou given Hajime his gratitude. His touching momentum has also allowed Hajime to give him and his other classmates another chance to join him and kill Ehit (the false god who manipulated humanity for many years). Seeing conflicted between Hajime and Kouki, Ryutarou viewed himself to be weaker than Kouki but more weaker than Hajime as he deemed himself to be a worthless sidekick. When Hajime opened to enhanced weapons and armors with newly powerful abilities, Ryutarous had his gauntlets to be upgraded but when tested his newly abilities, Ryutarou's respects for Hajime has suddenly increased. After returning to Japan, Ryutarou gives Hajime his appreciations even sympathy Hajime of his survival and mutation and his respects for him as grew even more.
Unlike Kouki and the Bastard Four, Ryutarou is extremely selfless as he wish to get him a girlfriend who loves him not to eager to get one for himself as he got Suzu Taniguchi as his girlfriend. He has no romance feelings for Kaori and Shizuku as he only considered them as friends not lovers and allowed them to be in romance with Hajime to ensure his own safety from Hajime's bad side. In the trial against his doppelganger, Ryutarou is intelligent enough to completely resist his doppelganger's "temptation" and defeating it to acquire "Age of Gods" magic unlike Kouki.
==Relationships==
===Hajime Nagumo===
Ryutarou originally look down on Hajime of not having superhuman abilities before his fall.
But when he survived and became more powerful, Ryutarou fears Hajime by showing his respects for him and his demonic strength. Like the most of his classmates, Ryutarou takes Hajime's warning seriously when he killed Cattleya. During the war in Heiligh Kingdom, Ryutarou shown in fear when Hajime murdered the traitor, Hiyama. Despite of his fears for Nagumo, Ryutarou doesn't hold an ill-will towards him.
When Hajime told he will never rejoin them to suit Kouki's delusions and preparing to leave to clear the last remaining Labyrinths, Ryutarou (along with Suzu and Shizuku) was able to get Hajime of giving them chances of helping them clear the labyrinths and destroy Ehit with his strength. Unlike Kouki (for being so daft), Ryutarou has no jealousy on Hajime of his harem abilities get beautiful girls (including Shizuku and Kaori) to be in love with him as he allowed Shizuku and Kaori to be in love with Hajime. Ryutarou valued his friends instead of prides as he doesn't condemned Hajime of murdering the traitor, Hiyama as Ryutarou will never forgive Hiyama for his betrayal. For reviving Kaori, Ryutarou gives Hajime his gratitude. Ryutarou holds great amazement of Hajime's firearms and technologies as they are similar to Ryutarou's favorite military action movies.
After Hiyama's death and Eri's betrayal as Ehit's true nature was exposed, Ryutarou completely believed Hajime for telling the truth of how Ehit is completely psychotic, when Ryutarou realized that all of his efforts on behalf of the false god were completely meaningless unlike Kouki.
Unlike Kouki who is stupid and was forced to take orders from Nagumo, Ryutarou has no issue of taking orders from Hajime when he will do whatever he was told if he wants to get stronger and be able to protect himself and his friends as well to kill Ehit for summoning him and everyone in Tortus as pawns for his twist games.
Witnessing Hajime trained the Haulia Tribe how to fight, Ryutarou considered Hajime to be a pupil of Gunnery Sergeant Hartman. Having resolves, Hajime gotten touched as he accepted to train Ryutarou when considered him as a friend. After enhanced Ryutarou's twin gauntlets, Ryutarou's respects for Hajime has suddenly increased even more when testing his gauntlets' new powers unlike Kouki who holds hatred towards Hajime (due to his delusions). When his classmates, Aiko-sensei, Princess Liliana, Remia and Myu were captured by Garland's army, Ryutarou followed Hajime's plan wisely to free the hostages and felt relieved of their safety where Hajime revealed he faked his surrender. After Ehit's death, Ryutarou sympathized when heard how Hajime mutated to gain powers by giving him more respects as Ryutarou believe he won't able to be the same as Hajime. After returning to Japan, Ryutarou gives his appreciations to Hajime even more as referred to be a "God Slaying Demon King".
===Kouki Amanogawa===
Kouki has been best friends with Ryutarou since elementary school. They have differences. Kouki is an airhead of his delusional pride and empty ideals while Ryutarou is a level head who has no prides or ideals. After Hajime's survival, Kouki dislikes Hajime for getting a lot of attraction for girls, while Ryutarou shown respects for Hajime due to his fear for Hajime and admiration for military army when considered Hajime as a pupil of his idol, Gunnery Sergeant Hartman. While Hajime killed Hiyama, Kouki condemned Hajime despite Hiyama is a traitor but for Ryutarou doesn't due to his bitter memories of his hatred toward Hiyama after he temporarily killed Kaori just like the rest of his classmates. Ryutarou shown his jealous even a little of Kouki's once attraction from girls until they are more attracted to Hajime, Kouki holds jealously toward Hajime while Ryutarou has no jealously Hajime at all due to not wanted to be in his bad side. Ryutarou considered him to be weak than Kouki but more weaker than Hajime seeing their conflict and Ryutarou deemed himself to be a worthless sidekick.
===Suzu Taniguchi===
Suzu is Ryutarou's friend during and before they are transported to the other world. They have good relationship. Ryutarou isn't jealous of Hajime of giving Suzu a pair of twin iron fans but rather give appreciation. After returning to Japan, he reveals to suzu that he wanted to go back to tortus and live there as he believes that with his current power he will be more useful to that world rather than earth, after revealing this he asked suzu to go with him to tortus and be with him forever, after which suzu accepted.
===Kaori Shirasaki===
Ryutarou is Kaori's childhood friend. She despised his recklessness. Unlike Kouki, Ryutarou has no love feelings for Kaori due to his relationship with Suzu. After Hajime's survival, Ryutarou has no objects for Kaori leave as he allowed her to be with Hajime as he doesn't want to be involved on Hajime's bad side. After Kaori's was wounded by Hiyama, Ryutarou holds hostility toward Hiyama as he will never forgive the traitor since at school from his bitter memories even though Hajime killed him instead of condemning Hajime for killing Hiyama. When Hajime revived Kaori, Ryutarou owe Hajime for reviving her and still allowing Kaori to be with Hajime.
===Shizuku Yaegashi===
Ryutarou is Shizuku's childhood friend since elementary school. Unlike Kouki, Ryutarou has no romance feelings for her as he is in already relationship with Suzu. He allowed Shizuku to be in love with Hajime as he doesn't want to be involve into Hajime's bad side after he murdered Hiyama.
===Enemies===
===Daisuke Hiyama===
Like many of his classmates, Ryutarou despised Hiyama as he considered him as a jerk back in school for his lust for Kaori and bullied Hajime from the past. Ryutarou was easily manipulated by Hiyama's lies. When Hiyama killed Kaori, Ryutarou's hatred toward Hiyama increased as he will never forgive him. Ryutarou shown in fear when Hajime killed Hiyama. When Hiyama's true color was revealed, Ryutarou hold a hateful memories of Hiyama as he chose to never forgive and considered him both a creep in school and a traitor in Tortus even when losing his slightest sympathy after Hajime enlightened the entire classmates that Hiyama once tried to kill him where his fall was never an accident.
===Eri Nakamura===
Eri was Ryutarou's close friend. However, Eri revealed that Ryutarou and the rest of their classmates were nothing but pawns to her. Ryutarou holds hostility when she attempted to turn Kaori in Hiyama's undead sex slave until he was relief when Hajime ruined their plans as well killing Hiyama. However, Eri has escaped with Freid Bagwa.
In their second encounter for the final battle against Ehit, Ryutarou retained his hostility towards Nakamura for ignoring Suzu and even himself when she is only focused on Kouki.
===Ehit===
Ryutarou once respected Ehit. However, when his teacher, Aiko and Princess Liliana revealed Ehit's true nature, Ryutarou discarded his respects for their fake god and sided with Hajime to destroy him.
===Freid Bagwa===
Freid is Ryutarou's enemy. When Bagwa attempted to used his classmates, Remia, Myu, Aiko-Sensei and Princess Liliana as hostages against Hajime, Ryutarou shown his anger towards both the demon general and his so-called "God" Alva. But he felt relief after he wisely followed Hajime's plan when Nagumo faked his surrender in order to free the hostages as well both Alva and Freid died at the hands both Hajime (for Alva) and Tio (for Freid). 
===Alva===
The false god, Alva is an enemy to Ryutarou. When seeing his classmates, Aiko-Sensei and Princess Liliana are captured, Ryutarou called Alva as a fucking bastard and demanded him to release his friends. However, Alva refused because he take orders for his master, Ehit. Luckily for Ryutarou, Hajime freed everyone where Ryutarou also watched silently as Nagumo tortured and killed Alva after he captured the false god of demons in failed attempt to use one of Hajime's lover Remia and Myu as hostage.
==Abilities and Powers==
Superhuman Strength: Due to his high stats, Ryutarou has great strength as he is never lost except to Kouki. However, his strength has inferiority to Hajime's demonic strength when Ryutarou knows if he fight against Hajime, he would eventually be easily defeated by Nagumo.
Superhuman Durability: Due to his recklessness, Ryutarou takes hits and punishment from attacks. However, his durability is at least 12 times inferior to Hajime's immense durability.
Gravity Magic: While his gauntlets were enhanced by Hajime, Ryutarou caused gravity and and gain control of his newly enhancements.
Intelligence: Despite of his muscled brain and dimwittedness, Ryutarou is very smart as he completely resisted his doppelganger's temptation unlike Kouki who foolishly given into temptation for a pathetic measly power.
"Age of Gods" Magic: Unlike his best friend Kouki (when foolishly given into the temptation of his doppelganger), Ryutarou possessed "Age of Gods" magic when he managed to defeat his trial doppelganger despite of being a muscled brain dimwit and considered himself to be a lot weaker than Hajime.
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