A married couple is blessed with a child and their life is at its climax. A diary is found in the room of the wife who is on maternity leave. Written there is the cruel truth about the events leading up to the pregnancy. Airi has Airi landed a job in the underwear development department, but her theoretical but eccentric boss, who doesn't shy away from power harassment and sexual harassment, rapes her under the pretext of training her. She becomes an underwear model herself, and is forced to practice her seduction every day... and is creampied. Where will Airi end up as her self-consciousness crumbles?