Four male friends, all virgins with no luck with women. To celebrate one of their birthdays, they decide to cheer up Taro. However, while lamenting their lack of female companionship, they go out to buy alcohol and discover a drunken woman sitting nearby. The woman is Ayaka, who, carried away by intoxication, enthusiastically follows the guys back to their place. Once there, the four men boast about still being virgins, when suddenly Ayaka suggests, "Well then, shall I pop your cherries?" One by one, the men eagerly offer up their virginity to her.