Aya starts her unexpected life, living with her cold-blooded and detestable boss, Kamiya-bucho. She was supposed to hate him, but … sometimes, when he unexpectedly reveals a softer side or when he becomes a little more assertive, she could feel her heart skip a beat. However, one day, Aya overhears her boss talking about his ex-wife and decides to leave the house! From Hisawa Yumi, comes a story about a dangerous love that ignites between the girl who lost love and her sadistic boss while living under one roof!!