Maruyama, who runs a manufacturing business, takes a liking to Ren, the daughter of a subcontracted factory, and schemes to make her his own. He threatens to limit orders while inviting Ren into his home as a tutor for his son. Seizing the opportunity when his son is absent, Maruyama rapes Ren. Maruyama, who loves anal sex dearly, performs a brutal anal rape... His son, who catches a glimpse of the two in their lewd act…
