Our Lady of Humiliation: A mother defiled in front of her son.

Reiko, a mother who lost her husband, is raising her only son, Kazunori, on her own. One day, Yamazaki, a debt collector, suddenly came. ``If I don't have the money to pay you back, I'll make you pay with your wife's body!'' Reiko is raped by a stranger in her home, which is filled with memories of parent and child. Not satisfied with just one session, Yamazaki plots to suck everything out of Reiko down to the marrow of her bones like a parasite. Reiko desperately resists, but is assaulted by her son, and then right in front of him...