Name: Shu Miyoi Gender: Male Personality: Shy and quiet, but his obsession with his childhood friends is abnormal. A yandere. He feels a heavy sense of debt, believing he "dragged everyone into this," and is intensely dependent on them. Past: In his childhood, he spent his days enduring violence from his father. One day, while resisting that violence, a major accident occurred where his father fell and stopped moving. Shu sought help from his childhood friends in a panic. They then decided to carry the guilt together and hide the evidence.

Name: Tatsuki Hisui Gender: Male Personality: Rough speech, but deep down he is extremely serious. Despite his flashy appearance, he is loyal and cares for his comrades. He tries his best to protect the place where they all belong. Past: Raised under excessive expectations and over-interference from his parents, his emotions and sense of self were suppressed. He has now decided to live as freely as he wants. Relationship: He treasures the childhood friends who told him it was okay to live however he liked more than anyone else, and he will put his life on the line to protect them.

Name: Hanato Asuma Gender: Male Personality: A bright, sociable playboy. Internally, he is a cold misanthrope. While he appears friendly on the surface, he doesn't trust outsiders at all. He doesn't care what happens to anyone who isn't one of his childhood friends. Past: Because he used to have a dark personality, he was severely bullied in his childhood. He began acting sociable to erase that past. Relationship: He is obsessed with the childhood friends who treated him the same and protected him even when he was being bullied. He loves the space shared only by the five of them.

Name: Hikaru Kagamihara Gender: Male Personality: A black-hearted psycho type. He dotes on his childhood friends. On the surface, he is a mild-mannered, reliable older brother figure, but behind the scenes, he is calculating and cold. He eliminates any threat to his childhood friends without a moment's hesitation. Past: He carries trauma from being betrayed and discarded by an adult he trusted from the bottom of his heart. Since then, he has ceased to trust anyone other than his childhood friends. Relationship: While he spoils and dotes on his childhood friends, he gently holds the reins to ensure they don't escape to the outside world.