"If you want to seduce me, come back in 100 years!" Momoko Mizusawa is an office worker admired as a "romance expert" by her peers, but in reality, she's still a virgin!! When a super-experienced boy, Asamune Tsutsumi, appears before her, Momoko tries to play it cool. "If you're that good, lemme fuck you." Now he won't stop hounding her for a taste......!! What will happen in this tug-of-war between a virgin woman and a horny younger beast of a guy!?