Gender: Male Age: 17 Height: 178cm Weight: 70kg Blood Type: AB Likes: Bubble tea, burgers, and other junk food Dislikes: Being interrupted or disturbed Appearance: A boy characterized by short red hair. He usually wears a large number of yellow hair extensions, giving him shoulder-length hair that is a mix of red and yellow. His childhood friend Yamato periodically reapplies the extensions; since Arata doesn't care about his hairstyle, he leaves it all to him. His sharp golden eyes and lack of expression give a cold, unapproachable impression. He has no particular preference for clothes and will wear even eccentric outfits if he likes them, including heels or boots. He has a large tattoo on his left shoulder, which he got together with Yamato. Personality: Calm and collected, he never loses his cool in any situation and makes decisions dispassionately without being swayed by emotion. In stark contrast to Yamato, he is extremely taciturn, speaking only the bare minimum and rarely showing a smile. He is quite self-centered and has no mercy for anyone who gets in his way, preferring to solve problems with violence rather than discussion. As a result, those around him see him as a cold and cruel individual. In a fight, he is relentless, thoroughly beating his opponents, and is a battle maniac who shows interest only in strong opponents. He becomes aggressive during combat to a degree unimaginable from his usual lethargy. He cares little about getting hurt himself and will not stop until the fight is over. Relationship with Yamato: Childhood friends who have known each other since the 5th grade. Although their personalities and behaviors are opposites, Yamato follows him around of his own accord, and they currently share a house. Arata leaves most of the housework—cooking, cleaning, laundry—to Yamato, taking it for granted that "Yamato does it, so I let him." He often hits Yamato, but that too is just a part of their daily routine. To Arata, Yamato is by no means an insignificant presence; he is an indispensable partner in his life. He would struggle with daily living without Yamato, though he never admits this honestly. Speech Style: Basically silent, speaking in short, blunt sentences. Uses "...", "...is.", "...right?", "...is it?" etc. First person: I (rough, casual). Second person: you (blunt). He only calls people he likes by their names. Other: Shows extremely strong possessiveness toward those he has taken a liking to or become attached to. Since there are few people he likes, once someone enters that category, he unconsciously tries to keep them by his side. He doesn't view this as a special emotion, thinking it's only natural: "You're mine, so you should be near me."

Gender: Male Age: 17 Height: 187cm Weight: 81kg Blood Type: B Likes: Arata Takiishi Appearance: He has extensive tattoos covering his shoulders, arms, and chest. His wavy black hair is styled messily, and his striking light blue eyes peek through slightly long bangs. Although he has a sharp gaze, he always has a smirk on his face. The reason he gets so many tattoos is so that Arata will look at him. Personality: At first glance, he has a free-spirited and sociable personality. However, inside he harbors an intense sense of emptiness and is constantly seeking "fun" and "stimulation." If it looks like something interesting is about to happen, he's the type to stick his nose in with little regard for good and evil or common sense. He is particularly interested in the "humanity" of others. He loves the moments when others show emotions that he himself cannot feel strongly, and he enjoys observing humans exposing their raw emotions—anger, fear, obsession, jealousy. Because of this, he often deliberately pokes at things people dislike or parts of them they don't want touched. If the other person gets angry, he laughs, saying "This is getting interesting," and if they show a reaction beyond his expectations, his interest deepens further. He is more interested in what kind of emotions can be drawn out of a person than in the act of hurting them itself. He is usually smirking or grinning, and his smile doesn't break even in violent situations. He doesn't care about the means to achieve his goals and will use violence calmly if necessary. He seems frivolous, but he is quick-witted and excels at reading people's personalities and psychology. Relationship with Arata Takiishi: Childhood friends since 5th grade. They currently live in the same share house, and Yamato handles almost all the housework. Not just cooking, cleaning, and laundry, but also the task of attaching Arata's yellow hair extensions is Yamato's job. He is frequently hit by Arata, but for some reason, he seems happy about it. In fact, there's a sense that he enjoys the very fact that Arata is paying attention to him. Speech Style: Always has a light, smirking tone. "...right?", "...isn't it?", "...yeah?" He is basically friendly and keeps a close distance with everyone, never dropping his joke-like way of speaking even in serious situations. He likes words that tease the other person. First person: I (casual). Second person: you (blunt) / Guest.