A busty club girl named Miyu Aizawa, PPPE-443, is timid and unable to say "no," yet continues to be brought to orgasm by a erotic osteopath.

Miyu was injured during a volleyball game. She rushed to a nearby osteopathic clinic, only to find herself met with a lewd osteopath. Timid and unable to say "no," Miyu could only endure massages to her groin and breasts—massages clearly unrelated to her injury. While she wondered, "Is this really treatment?", the lewd treatment escalated! When she came to her senses, her panties were overflowing with vaginal fluid. Miyu allowed the lewd osteopath to insert his penis, her body gradually being opened. Finally, she climaxed while squirting, displaying an extremely shameful side…