START-305 A mum of one who lives in Tokyo's Sugi Ward and works as a cashier at a supermarket d

Hikari is a mother of one who lives in Sugi Ward and lives an ordinary life. One day, a stranger tells her that his wife and Hikari's husband are cheating on each other. Hikari accepts the man's suggestion that "we should have an affair as well to get revenge." The forbidden sex she has not experienced in a long time is sweet and instinctive... She becomes addicted to the cock that is a perfect match for her husband's.