Natsu, who lives with her boyfriend, gradually begins to doubt his feelings because he comes home late. So she decides to ask the manager of the store where she works part-time for advice over a drink. Natsu ends up drinking too much and the manager takes her to a hotel and makes love to her. The manager's huge dick makes Natsu feel more excited than ever, and the next day she begs the manager for more. However, the manager has no interest in a woman who has had sex with her once, and enjoys playing with her as if he is a different person, treating her roughly...