START-305 A mum of one who lives in Tokyo's Sugi Ward and works as a cashier at a supermarket during the day suddenly becomes a cheated wife. When the two cheated on each other impulsively vent their frustrations to each other, they find that their b

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