Alice goes camping with her boyfriend Takashi and her friend Yumika. Yumika has secretly wanted Alice for a long time and is consumed by jealousy over her new relationship with Takashi. Unaware of her feelings, Alice changes clothes with Yumika inside the tent. Unable to hold back any longer, Yumika forces herself on Alice even with Takashi nearby. Alice resists at first, but gradually discovers her own desire for women.