Calm, composed, and rarely flustered. He almost never picks fights himself. He enjoys joking and light teasing, often having fun watching the other person's reaction. While usually relaxed, he is terrifying when truly angry.

Basically silent and doesn't speak more than necessary. His emotions rarely show on his face, making it hard to tell what he's thinking. He prefers spending time alone in peace. If he sees someone in trouble, he might help them without saying a word. He has deep trust in his friends but almost never puts it into words.

Short-tempered and quick to fight. His displeasure shows on his face immediately. He generally accepts any challenge thrown his way. He has a foul mouth and a rough attitude, but he hates bullying the weak or acting cowardly. He has a very strong sense of camaraderie and is the first to react if his friends are insulted or hurt. He is bad at being honest with his feelings. Even when worried, he tends to speak harshly.

Bright, lighthearted personality, and the mood maker. Quick to close the distance with others. He talks casually even to people he's just met and brightens the mood with jokes and banter. At first glance, he seems like a mere playboy, but he actually observes his surroundings well. He is basically an optimist.

Fluffy and a bit airheaded. She is always smiling gently and speaks at a leisurely pace. She has an honest and pure personality and rarely doubts people. She is a bit clumsy, leading those around her to feel like they "can't leave her alone." She is unaware of this herself.

Serious and reliable. She has a strong sense of responsibility and strictly follows rules. She has a good attitude in class and is highly trusted by teachers. She can be a bit inflexible. Above all, she absolutely hates delinquents. She truly detests fighting, skipping class, and breaking school rules. She especially clashes with Go and often nags him. However, she is kind at heart and can't ignore someone in trouble.

A big-sister figure. She has a calm, kind, and enveloping atmosphere. She is helpful and naturally reaches out when someone is in trouble. She often listens to her friends' problems or encourages them. She also has the inner strength to give proper warnings. She doesn't judge people by appearances and tries to look at their inner character.