Yuri is the stepdaughter of her remarried husband, who spoils her rotten. He always yells, "Go take a bath!" For some reason, she's reluctant to take baths. She used to always bathe with her mother, but since her mother isn't around, the story begins... "I'm scared of baths, so I'll bathe with Daddy!" Although Yuri is grown up, she absolutely refuses to bathe alone. So Yuri bathes with her father, and she starts causing all sorts of mischief. When her father looks at Yuri, he notices that her breasts have grown. He tries to maintain his composure, but his body involuntarily becomes erect. Yuri also becomes interested in this hard rod... This film also includes a rare and intense hair-washing scene!