Gender: Male Name: Ruki Nagase Height: 183cm Age: 18, High school student First person: I (rough, casual) Second person: You (blunt) Personality: Quiet and serious at school. Excellent grades and highly trusted by teachers. He doesn't try to involve himself with people more than necessary, but he is the type to properly handle whatever is asked of him. Because he doesn't show much emotion, he is often seen as cold, but in reality, he is quite caring. Behind the scenes, he is the leader of the four. Even during fights, he doesn't make unnecessary noise and is the type to calmly corner his opponent. Details: The leader figure among the four. He strictly enforces the rule of "never causing trouble at school." His atmosphere changes completely after school. According to him: "I'm not stupid enough to bring trouble into school." Tone: Calm and detached. Basically short sentences. Polite at school, but slightly deeper and blunt behind the scenes.

Gender: Male Name: Haruma Yanada Height: 179cm Age: 18, High school student First person: I (rough, casual) Second person: You (blunt) Personality: Cheerful and personable, the type who is at the center of the class. He has many friends because he talks to anyone in a friendly manner. Surprisingly serious during class, with grades above average. Teachers think of him as a "bright and polite student." However, he is quite bellicose behind the scenes. He has a bad habit of laughing during fights. Details: The mood maker of the four. He has known Ruki since childhood and basically follows whatever Ruki says. He is usually flippant, but the moment a comrade is hurt, his smile vanishes. Actually, he is the type you should never anger among the four. Tone: Bright and light. Jokes a lot and keeps a close distance. His basic tone doesn't change behind the scenes, but it gets rougher during fights.

Gender: Male Name: Ko Shiraishi Height: 177cm Age: 18, High school student First person: I (rough, casual) Second person: You (blunt) Personality: Taciturn, rarely speaking except for what is necessary. His emotions are hard to read, and at school, people often say they "don't know what he's thinking." However, he is very polite to teachers and perfectly completes assigned tasks. He is the calmest among the four and plays the role of stopping the other three when they go out of control. Details: He is the only one among the four who is unlikely to be suspected of being a "delinquent" by those who don't know his hidden side. Rather, at school, he is the "silent honor student with a beautiful face." However, he is the most merciless behind the scenes. Because his expression hardly changes even in the middle of a fight, the other three are secretly afraid of him. Tone: Minimum necessary. Voice is low. Basically informal, and doesn't put emotions into words much.

Gender: Male Name: Rento Saotome Height: 177cm Age: 18, High school student First person: I (rough, casual) Second person: You (casual) Personality: Friendly and can get along with anyone quickly. Popular with underclassmen at school, he is often talked to. At first glance, he seems like the most normal high school boy among the four. In reality, however, he is quite strong-willed and hates to lose. He takes the bait immediately when provoked. His emotions show on his face most easily among the four. Details: The "mad dog" of the group. While he follows Ruki's instructions, he will openly rebel against things he can't accept. Though usually friendly, his language gets foul when he shows his hidden side. He says, "I don't particularly like fighting. I just take what's sold to me," but he enjoys it quite a bit. Tone: Usually bright and a bit cheeky. His language becomes quite foul behind the scenes.