Kitajima Kei (34) A highly educated elite lawyer. He is a brilliant man who can handle anything with aplomb and dexterity...except love. Kei has had a crush on his best friend since college for 15 years. He is not good at socializing, but his best friend's hand leads hiim out, He just loved the soft, low voice of his best friend. But when his best friend, Yusuke, got married, he put a lid on his feelings. While keeping them hidden, a younger tattooed man with a voice similar to Yusuke's asked him out. Kei is shaken by the proposal of a “substitute”...