東京都杉●区在住、昼間はスーパーでレジ打ちしている平凡な1児のママがある日突然、サレ妻になった。不倫サレた者同士で衝動的に欝憤をぶつけ合ったら、体の相性が最高すぎて離れられない。 青空ひかり

Hikari leads a normal life as a mother and housewife. But one day, a stranger approaches her with shocking news: her husband is having an affair with the strangers wife. He then suggests they get revenge by having an affair of their own, and Hikari agrees. The twist is that they so get along well, that they begin a lasting affair.