Kotome and Kitayama are classmates who have been dating for six months. Until now, they had only held hands and their relationship was pure. However, Kitayama has decided to work for a company in Tokyo after graduation, and before their long-distance relationship began, his feelings for her overflowed and he invited her to have sex. During a date on a day off, Kitayama takes Kotome to an abandoned warehouse, kisses her, and fondles her breasts. Kotome accepts, but the place is a hellish place where life's losers hang out...