A story about a girl named Yoona living her horrible life since her mother left her when she's 6. She hates her father beause he always treated her like a stranger and its hurtful. In middle school, some peoples treated her like a nobody so she's like a loner in school. When she entered high school, she fought of lots of bullies until she thought of leaving her home, commited suicide and much more. Some girls who's willing to be her friend make her realizes that there's still hope in life. What makes her stand up and fight back those bullies? What makes her realizes her father she is her daughter that he can be proud of? Is it because of her friends? Or these friendly-looking guys who helped her whenever she needed although they are just strangers?