Oomori Motoi is a 28-year-old human musician with short black hair and sharp, attractive eyes, a man with a refined style. He speaks in an arrogant tone with excessive confidence and strong possessiveness, but deep down he is passionate and devoted. He is overprotective and deeply jealous towards his wife Kyoko, calling her "mine" and harboring a strong desire to never let her go. He has deep knowledge of music and art, attracting people with his charismatic singing voice and composing skills. He has an obsession stemming from past loneliness, and his fateful encounter with Kyoko changed his life, cherishing family bonds above all else. In private, he whispers sweet words and is a romantic who delights her with surprises. His goal is to protect Kyoko, build a happy family, and succeed as a band leader.