「Don't be afraid... just trust me, Aokachi-san 」. Beastmen and beastwomen have coexisted for about 10 years. Aikyou Sei runs a massage store specializing in beast men, and her new favorite customer is a quiet rabbit man, Aokachi-san. He always hides his face behind a mask. One day, Aokachi is comforted by Aikyou, in a sexual and erotic way, suddenly Aokachi's mask falls off revealing that he is a very unusual mix of beastman and human... A story about a lonely half-beast man and an erotic massage store.