The Miura family had to call a plumber because of a leak in their bathroom. The person who showed up was none other than Hirai, a junior colleague of her husband Kotaro. Hirai had a crush on Eriko when they first met, and the moment they were alone, he couldn't help but express his feelings... A few days later, Hirai came to make repairs while her husband was out. In the awkward atmosphere, Hirai couldn't help but push Eriko down. Despite being raped, Eriko's body felt pleasure and throbbed from the afterglow...