Chouhei, who lives a freeter life, has moved next to a beautiful woman named Mio. She is a reckless presence who lives without pants or a bra. Moreover, she seems to be the daughter of the landlord of the apartment where Chouhei lives, and she knows everything about him... Chouhei, who used to work at an orthopedic clinic, is asked by Mio to massage her, but eventually the treatment extends to her crotch without pants...
