A female boss and a virgin subordinate are forced to stay overnight during a business trip due to record heavy rain. However, there was only one room available. The boss, Amami, thinks that there will be no problem since his subordinate Takahashi is not manly and is not used to women, so they stay in a shared room, but when he provokes Takahashi by telling him that he is a virgin because he is not manly, he suddenly attacks him... Both his looks and erotic technique are the best A female boss who is like a big sister and will accept anything.