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...
尽管沉默寡言，但结城丽都（渡边敏美配音）拥有一颗温柔善良的心。性格内向的他暗恋上了一个叫西莲寺纯菜的女孩（由佐森雅作配音）。然而，他选择将自己真挚的感情藏在心里，只是偷偷地看着她缓解病痛。最后，丽都再也无法抑制自己内心的情绪。
这匹被打得遍体鳞伤的小马开始学习拳击，并想为呼吸而战。新智也紧随其后，但出乎意料的是，他有练武的天赋。后来，小马放弃了学习拳击，以弟弟的身份加入了这个帮派。但新智努力练习，并取得了一些成绩。等待他们的是什么样的未来？几年后，小马和新智在街上偶然相遇。过去几年发生的事件使他们发生了很大的变化，但似乎什么都没有改变。这两个坏孩子又回到了原来的校园。
