Miyu Inamori has been hating her boss but has to go on a business trip with him for mandatory reasons. They stop at an inn with hot springs. Here, the lack of rooms forces the two to share, and Miyu feels very uncomfortable but has no choice as she doesn't know where to go. Her boss has made clear sexual harassment actions. Noticing that Miyu seems uncomfortable, he realizes she is afraid of this. Therefore, a stronger measure is taken. He puts sleeping pills for Miyu to drink, and then.