結婚して10年、夫が中折れし続けて2年。自宅で個別指導塾を経営するるいさの性欲はいつ爆発してもおかしくないほど限界（ギリギリ）だった。そんなある日…ディフューザーに夫が出来心で盛った媚薬がるいさの身体に回り初めて性・欲・爆・発！！塾の教え子と！ブラックライトのキメセクナイトで！NTR 3P！ホテル不倫！！都月るいさ史上最ブッ飛びで脳みそバグりまくりでイキまくるHYPERキメセク4コーナー！！

Married for 10 years, and her husband having suffered from erectile dysfunction for 2 years, Ruisa, who runs a private tutoring school at home, was at her breaking point, on the verge of exploding with sexual desire. Then one day… her husband impulsively put an aphrodisiac in the diffuser, and as it took effect in Ruisa's body, her sexual desire exploded! With one of her students! At a blacklight sex night! NTR 3P! Hotel affair! Ruisa Tsuki's most mind-blowing, brain-snapping, hyper sex in 4 corners!