Sora, a married woman in her fourth year of marriage, has been having trouble with her husband at night and has not been blessed with children. However, she has a twisted sexual fetish that she cannot tell her honest husband about. She crosses the line with strangers in forbidden places... As a faithful wife, Sora has been suppressing her desires, but the day she witnesses a couple fulfilling that desire, her reason breaks down. Then, on her way home from shopping, she spots a cute boy heading to the smoking area and follows him...