Kaysen Yuken

Kaysen Yuken is a Naruto OC, who happen to belong to the yuken clan, He is the older brother of Kaysea Yuken, and is a Jonin ranked Ninja, whose nature chakra is lightning. He was trained on Team Aiko, along With Shion Yuuda and Yukon Duragon Saiden. his Teacher was Aiko Duragon He is 26 years old 
==. History==
Kaysen is known as Konoha's demon because of his evil self, this is because he of his personality disorder. He graduated from the academy at the age of 5 at same time as Kakashi hatake, He did pass, but a short while after He went beserk almost killing Shion, but her tears made him stop, since she already was blind.  Kaysen soon became protective over her, and fall in love with her, He also passed the jonin exam when he was 15. two years after Kakashi. He later becomes a protector of the exams and the training before he takes care of his own Team: Team Akuma. 
==Appearance==
Kaysen has white hair and red eyes(Akuma no Youna) He stands 1.93 meters, he is also average muscular. He has a black sleeveless jacket, his leaf  band is placed on his right thigh when he is not in battle. If in battle his leaf band is placed on his forehead to protect it. He also has Three piercing (One in the ear but its connected to the one in his lip) and one on his chin. When in his evil mode he changes appearance drastically, his eyes gets darker and more like a glowing red, his hair gets more messy than usual and he gets sharp nails. he wears when not the sleeveless jacket a black and white striped tanktop.  He also wears a pair of black pants and boots.
==Personality==
Kaysen is a very quiet guy, but when you first get him fired up , its no use arguing with him, he has a calm temper but get him on the wrong side you will sleep with one eye open. he has an evil part of himself this is caused by a personality disorder.  he is friendly but may seem scary to people. He has a pure kind heart if you look away from the evil hidden in him.
==Powers and Abilities==
Fire Release Jutsu
===Fireball Jutsu===
he makes a fire ball by blowing between his index fingers , but it makes  a big ball which he usual mix with some water release jutsu. But when he uses this one as only fire ball , he would use it as a start move.
Water Release Jutsu
===Flood wave jutsu===
He makes a one sign jutsu which cause a huge flood to go towards his enemies. however he isn't good at this one yet.
===Fire Ice Ball jutsu===
This makes a fire ball cloaked in ice. its a mix between his water release and fire release jutsu.
Wind Release Jutsu
===Whirlwind Jutsu===
he basically makes whirlwinds to send towards his enemies. this is also a main factor in Lightning Storm Jutsu. 
===Lightning Storm jutsu:===
this is a combination between his lightning chakra and Wind release, He sends a whirlwind cloaked in Lightning. he needs however over 50% of his chakra to use this.
Lightning Release Jutsu
===Lightning Burst Jutsu===
he makes lightning strike at the enemy constantly from 3-9 times, depends on how much chakra he has left. This can paralyze his enemy
===Lightning Jade blade jutsu:===
He makes a blade on same way as his lightning spear jutsu but its jade green instead of blue like
===Lightning Dragon Jutsu: Kaysen style===
He makes a one hand sign which makes a dragon appear from the thunder clouds, however this can only be used during thunder storms and such.
===Lightning Spear Jutsu===
Kaysen does a two hand sign which makes his chakra flow onto his hands making a lightning spear in his hand. This is often used as the final move from his side.
Earth release Jutsu
===Earth Dragon Jutsu: Yuken Clan style.===
basically he does a one hand  sign which makes a dragon out of the earth, much like the other dragon jutsus, but the yuken clans is more like this 
===Rock Prison Jutsu===
Kaysen does a two hand sign which is done quickly so he can trap the enemy in a rock box/ball. Making it easier for an ally to attack the target, this one is used often in team battles. This jutsu also slows down the enemy
Metal Release Jutsu
===Metal spear Jutsu: Kaysen Style===
When kaysen does the  Metal spear jutsu he makes a one hand symbol which makes alot of spears go around his enemy and trap them before finally stabbing them or trap their legs it depends on if Kaysen is pissed or not.
===Yuken Clan style: Metal dragon jutsu===
Akuma no Youna
This is Yuken clans dojutsu. This blood line limit allows both Kaysen and Kaysea use all the five elements. It is like a demons eyes, they can see peoples heath if they want to which makes it easier spot the enemy, but a weakness is if enemy hides chakra and tries keep themselves cold it will fail, and they will be stuck. However These eyes also allow the to activate Yuken no Kitsune a jutsu based off their clan beast the 9-tail Kitsune which is more like a fox spirit, which is based of the Japanese Folkelore about the kitsune.
9-tail kitsune transformation
The two siblings are able transforming into their clan beast however kaysen haven't done it yet, thus is why its no information about his kitsune form, however This clan beast is not near as strong as Narutos 9-tail demon fox.
==Relationships/Family==
===Kaysea Yuken:===
This is Kaysens younger sister who happens to be a kage at the moment. He is very protective of her and would kill to protect her, they were raised together and they have an extreme strong bond to each other. He is depent on her at times when he does missions.
===Shion Yuuda===
Shion is his childhood friend and wife. He is very protective over his blind wife because he almost killed her when he was younger. she is very happy to be with him. Together they have their son Ryuza Yuken. 
===Aiko Duragon:===
This is his jounin and grandmother, she was the one teaching him the jutsu he can do now.
===Kakashi Hatake===
Kakashi is his friendly rival, and he almost always argue with him, but they are still bestfriends and bro's