Today, her son is lost in his usual masturbation session. Hinako, as a mother, decides to check on him. But what she finds is her son's secret stash of AVs. Out of curiosity, she takes a look... and realizes they're all about married women and older women. And most of them feature incestuous dramas. Unwittingly, she stumbles upon her son's twisted desires. When she realizes these desires are directed at her, Hinako feels a surge of heat coursing through her body.
