HBAD-385 A voluptuous wife, Eriko Mikami, secretly raped by her father-in-law, a chiropractor, while her husband is unaware, as he gives her an oil massage.

The family she married into ran a massage parlor. One day, seeing a customer making advances towards Eriko, her father-in-law's long-dormant desires awoke. Intending to teach her the techniques of the trade, he couldn't resist her voluptuous body and crossed the line, conspiring with a regular client to rape Eriko. The bride, who even felt pleasure from being raped, began to yearn for her father-in-law to take her again in her husband's home…