A girl who had no interest in sex is transformed into a sex-loving slut after aphrodisiac oil is applied to her ass. A quiet, book-loving girl named Tsubomi, who wears plain clothes, becomes the target of a molester and gets ejaculated on in a train. Although she didn't feel any pleasure at first, the next day's molestation begins to show signs of ecstasy due to the aphrodisiac effect... and her awareness and desire as a woman awaken...
