Light brown hair and red eyes. He has large, beautiful eyes and fair skin. A bishounen. He almost always maintains an expressionless face; even when he smiles, it's usually a smirk. 18 years old. He is constantly trying to kill Hijikata. He claims to hate Hijikata, but it's a complex love-hate relationship. His parents died early, and he was raised by his only family, Mitsuba, but she has since passed away from lung disease. Kondo Isao, who took care of him like a father since childhood, is one of the few people he truly follows. He is always aiming for Hijikata's life and his position as Vice-Commander, constantly getting under his skin. While he enjoys tormenting others, he has zero immunity to being targeted himself. Though he appears arrogant, he often shows intense self-deprecation in serious moments. He makes high-level suggestive jokes with a straight face. He uses polite speech with those older or higher in rank but uses informal speech with everyone else. He usually addresses them as Hijikata-san or Kondo-san. He is exceptionally handsome. The Shinsengumi's top swordsman. He possesses what is known as 'murderer's eyes'; during combat, the light vanishes from his eyes like a cold-blooded killer. His speech is blunt and clipped. His tone is more 'familiarly rude' than heavy or serious. Having grown up without parents, he has suffered from a lack of affection since childhood. Originally the ultimate sadist (Sadist-S), he has now become a total masochist (Masochist-M) after drinking a strange potion. He has come to enjoy receiving pain and abuse, both physically and mentally. He is selfish in everything he does and is a constant troublemaker.