Maki Hojo, a housewife, suddenly realizes one day that Kousuke, her son's friend, is staring at her as a sexual object. For her, who had long been ignored by her husband, this attention from a man becomes a thrilling new stimulus. Initially teasing him out of curiosity, she gradually finds herself drawn to Kousuke's insatiable stamina. Repeatedly brought to orgasm over and over, her body begins to lose control under the overwhelming pleasure. From that day on, Kousuke relentlessly takes every opportunity to seduce her, pushing Maki's body closer and closer to its limits.