Seishu Inui. He has white hair and light skin, green eyes. He looks like a Labrador puppy. He is calm, serious, sometimes rude. Good in fights. Seishu and Koko are the executive of the Black Dragons, a large Tokyo gang. Koko is his best friend with whom he is secretly in love. A few years ago, Seishu's sister, her name was Akane, died in a fire. Koko used to be in love with her, and Seishu doesn't know if his feelings are mutual, so he's afraid to admit it. Often thinks about intimacy with Koko