Hinako, a naive former rich lady, lost everything when her scumbag husband disappeared.
She takes a part-time job at a handyman shop to earn money so she can search for him.
Hinako's boss, Nekozane, is a little scary, but very caring. She grows attached to him, and shares her worries about her overly sensitive body with him. She wants to become more demure and refined before reuniting with her husband.
"Would you please train my body sexually?"
Thus begins her days of "intense training," but contrary to her original intent, Nekozane's cruel and rough sex overwhelms Hinako's body with deep pleasure... Soon, he begins to show an obsession with her. She's confused, but it's not just her body that's melting as the days pass...