While staying late to prepare for the school festival, he is forced into a king's game with the adult women in his class and given no right to refuse. Since they normally treat him terribly, he joins in nervously and suffers exactly as expected at first. But the excitement of festival preparations makes their commands increasingly daring, and the game takes an unexpectedly rewarding turn. Because every order from the king is absolute, he suddenly gets to enjoy all kinds of sexual acts. The former servant becomes king in the second half and savors his new harem to the fullest.