Married, with children, and with a successful career... seemingly perfect in their 40s. But in reality, they are 'sexless'. These middle-aged men, thinking, "Life's going downhill anyway, and if I'm going to cheat, I might as well become an AV actress!" make up their minds! They challenge themselves to lose their virginity for the second time! This time, their partners are the fair-skinned and beautiful 'Tenma Yui', the cute 'Kashiwagi Konatsu' with her lovely smile and beautiful breasts and buttocks, and the fair-skinned, soft, and erotic 'Takase Rina' with her large breasts and erotic body—three truly enviable women. If they are discovered... their families will definitely fall apart! A sex life-risking adventure...now begins! A heartwarming sex documentary featuring a 40-something man who hasn't had sex in a long time and an AV actress.