Mika Kutsuna is an ordinary office worker who works for a medium-sized trading company. She is a 25-year-old who does her job flawlessly and values her private life. ……That is her public face, however she has a terrible secret!? Moreover, that secret is found out by her handsome boss, Kyoichi Tateishi, and in order to stop him from spreading it, she has to make that decision!!?