Yuka is a sexually frustrated housewife who easily orgasms, and Toshiaki is a sexually active young man who has difficulty orgasming. The two share the same troubles, and one day, they fall into infidelity. Yuka orgasms quickly and can no longer be embraced by her husband, while Toshiaki has difficulty ejaculating and can't find a girlfriend. To fill the loneliness, the two seek each other out. However, their abnormal constitutions are far too dangerous. The more Yuka orgasms, the faster Toshiaki's thrusts accelerate. Will Toshiaki ejaculate first, or will Yuka faint first?