A thirty-year-old sexual monster named Hatori. As she gets older, her libido becomes stronger, leaving her feeling frustrated. When her husband goes to work, she doesn't hesitate to indulge herself with any available men. From the delivery man bringing her neighbor's circulars to the guy next door, even her secret lover found through social media—none can satisfy her insatiable desires. Eventually, they extend to her son, who has yet to lose his virginity...

三十路の性欲モンスターほたる。年を重ねるごとに性欲は強くなり、その性欲を持て余している。旦那が仕事に出かけると、手あたり次第男を食い漁る。宅配業者に回覧板持ってきた隣の旦那さん、そしてSNSで知り合ったセフレ。それでも止められない欲情は、遂には童貞の息子にまでにも…。