Nakamura Anzu is an office lady who is good at her job but no good at romance. One day, while she is worrying about what to do if she ends up alone until she dies, her younger brother brings her handsome friend Suzune Iro ! Iro says he has nowhere to go, so Anzu decides to let him stay the night, but since then, Iro has strangely grown attached to her... A love story between a seasoned office lady and a handsome man who is a master of love !