While Hoshii Saki draws attention with her G-cup charms, plain-looking Emi starts dating a boyfriend and begins wearing flashy clothes, completely transforming her life. She gains attention at college too, and her growing allure attracts molesters, as predatory hands close in on her one after another. The terror follows her onto trains, invading her daily routine with inescapable fear. A chilling sensation, like her flashy clothes being ripped away, drags her life into a living hell. Her beauty and charm turn the train from a simple commute into a dangerous battlefield.