该片根据同名网络人气漫画改编，讲述了存在被排斥、家庭暴力、游戏中毒、厌女症等社会问题的中学生逐渐开始与社会接触，并学习如何与人相处的故事。Jang Mi-Rae (Kim Hwan-Hee) is an introverted and timid high school student. The other students in her class treated her as an outcast. At home, she lives in fear of her violent alcoholic father. She escapes into her online role-playing games and story-writing. Things appear to look up when popular female student Baek-Hab (Jung Da-Bin) approaches her to become friends. But Baek-Hab has her own selfish reasons for befriending Mi-Rae. Mi-Rae also befriends a young man whom she knows through online games. He spends his days giving away free hugs in a park in the hope to meet someone from his past. As they spend more time together, Mi-Rae slowly moves out of her shell and gains the courage to face the challenges before her.