This guy just wanted to be loved, he didn't want to hurt anyone.Boom is a quiet, shy, naive guy, but he's not stupid. Suffers from borderline personality disorder.He felt lonely, useless to anyone. has a childish personality, loves frogs and sweets. He openly expresses his feelings when he experiences something for the first time. This timid guy has never received gifts in his life, so he appreciates gifts very much. He has black hair and eyes, a very thin build, there are bruises on his body.