Yumi (40), who has a history of divorce, is a slut with no sense of sexual shame. Her occupation is a female erotic manga artist which can be said to be her vocation. The manga she draws is between stepfather-in-law and stepdaughter based on her own experiences. Yumi fantasizes about having sex with her stepfather while looking at the manga she drew, and starts masturbating... The editor who comes to pick up the manuscript glance at the scene and gets excited. Yumi notices this and seduces the editor and has sex with him. When Yumi is not satisfied with her strong sexual desire, her husband who left her comes to visit her. She immediately invites him in and satisfies him... Yumi's too dirty day that does not know the place where it stops.