Characters:Im Yoona :Im yoona is a Behaving student who listens very well and is a transfer studnt from the united states and now goes to Mountain Sky high.Wheres she meets with Lee Seung Gi, Ok Taecyeon, and her best friends Seohyun.Yuri, and Jessica. Lee Seung Gi:Lee Seung Gi tutors Im yoona for her studies since she is a new kid. He may become to like her while noticing how focused she is. He also is a friends of Ok taecyeon long time ago but now they arnt best friends since Ok taecyeon is acting like a jerk to Lee Seung Gi. Ok Taecyeon:Ok taecyeon is the popular kid in Mountain sky high. Who acts like a jerk for everyone. But once he notices yoona he begans to feel weird and trying to figure out what those feelings meant and is trying hard to get to know her better.Kim Jonghyun: Kim Jonghyun  yoonas ex-boyfriend he tries so hard to forget her but it was impossible.They broke up 2 years ago and he still has their picture they took together in his phone.  Seohyun (Seo-joo-Hyun):One of yoonas best friends who helps her out very much. ( dosnt appear much)Kwon Yuri: