阿尔扎诺帝国帝国魔术学院的兼职讲师格伦·勒达斯是假自习之名行打瞌睡之实的惯犯。就算难得站上了讲台,他也是专搞直接把课本钉在黑板上之类的花招,耍废的程度连学生也不以为然。
Jane is a Korean American. She will stay at her father's friend's house for a few months while preparing a chain massage shop in South Korea. However, what she does is not work at a massage parlor, but sells sex toys on internet radio stations. Her boyfriend Tae-in doesn't like what she's doing and tries to make her stop. One day, Jane found out that her mother in the United States was sick. On her way home, Tae-in had a car accident. Jane is accustomed to testing her sex toys on Tae-in, so when he gets sick, her sales will decrease. So she found other men to test her toys...
整个故事围绕着莉莉安女子学校的传统展开。作为一名大一新生,主人公福泽由纪遇到了二年级的小笠原优子,在经历了无数障碍后,两人成为了恋爱中的“姐妹”。故事围绕着学生会“山百合社”的朋友和同学展开。