Rim Yumino, a serious literature club member, finally confesses her feelings to Fujihashi, a top student and all-around athlete! Their romance blossoms, but a janitor who has been secretly stalking Yumino snaps! He secretly films them kissing and making out, then uses this footage to blackmail her into having forceful, reverse-cumshot sex! Yumino is repeatedly forced to obey the janitor's commands and is gradually trained. Even though she doesn't want to, her body starts to respond...