Nakanishi Aruno is disliked and bullied by other Nogizaka46 members because she’s different from them. After one of them lock Aruno and tell her to not come back, she decides to come back definitely.

性格怯弱的春日高男（铃木福 饰）一直沉迷法国诗人波德莱尔的诗集《恶之华》。一天在阴差阳错下拿走了暗恋对象佐伯奈奈子的运动服，过程却全被同班同学仲村佐和（志水彩乃 饰）看在眼内。仲村借此要胁春日与她订下契约，并屡次强迫春日做出一些怪异行为，与此同时，春日亦尝试与佐伯修补关系。一段环绕着三人的扭曲关系就此展开。