Welcome, virgin boys! A group of inexperienced virgins who don't know women are spending a day and night of naked intimacy with the solo actress "Nozomi Mayu" at a hot spring! From their 20s to 50s! Five fragrant, genuine virgins gather together! They are so innocent that just a kiss makes them fully erect, and they are gently and teasingly taught the art of sex! If they lose control, they're disqualified! Will all of them be able to lose their virginity? Being able to have a one-night stand with Miss Mayu, we feel like the luckiest guys ever!