College student Mutou Ookawa catches a glimpse of Ametani Yuiko, his co-worker from a former part-time job and falls immediately in love. Summoning up his courage, he eventually confesses his feelings to her and she responds “…but I’m a fujoshi.” Mutou not having the slight clue what “fujoshi” means, immediately responds “That’s OK!”

因工作的关系，老实木讷的大学生诹访日向（大東俊介 饰）结识了端庄美丽的白崎顺子（松本若菜 饰）。经过一段时间交往，二人建立了恋爱关系，不过令他始料未及的是，顺子竟然是一个确确凿凿的腐女。她因宅女身份导致情感之路并不顺利，而于单纯的日向来说，此前腐女的概念还不很清晰，一经交往后则发现腐女的世界竟然如此具有冲击力。日向和同学濑野浩二（古川雄大 饰）原本是无话不谈的好兄弟，顺子的耽美取向令他和好友相处时颇多顾忌。在此之后，搞笑与尴尬的事情接连发生，这对异类情侣的结局将会如何？

本片根据ぺんたぶ的人气网络小说改编。