Yoona is 16 years old leaves with her grandmother, her mother passed away. Her dad works in Japan they own a big company, and her strength stays in her father and grandmother. She smart she was acelerated alot she even think that she an alien, but she was happy that she was given a good intellegence. Her father visit her twice a month. He's coming for a month since it's Yoona's last day of college means she going to work. He was proud of her and he knows his wife is proud of her too. He was luck to have a another person like his wife. Yoona's degree fits with there company. Now she preparing for her graduation and for their company to be opened in Korea, and her status is It's complicated....

Taecyeon 17 years old in his 7th failed to be in college, and Yoona helps him since he's was left from his father to her before he had passed away. He isn't the good boy for he is a rebel child, spoiled, selfish, and lastly a bully. Yoona falls for him, but what did she fall for?

Donghae 16 years old Yoona's classmate same degree same class, and everything is never diffrent, he is in a wealthy family. He not a nerd, geekl, but he is a handsome school guy. This time he's facing graduation same as Yoona. His parets likes Yoona, they aren't mutual. He as hoping that they both fall in love, but he didn't want that he was just hoping.

  Suzy 15 years old failed to be in high school. She was a e before, but she woken up. Though she was like Taecyeon. She likes Taecyeon.