Categorized as a "prude" and a "too serious" girl, how can Yujin react when the playful Jimin throw a at her table ?

Yujin's life was shaken by the ual abuse of her cousin 10 years ago, and is living quietly without being noticed by all. But she doesn't know what her class thinks of her : arrogant, mean, cold even more with boys. With the simple attack of Jimin, this is all the class that starts to bully her, no even to mention her cousin who starts to get closer to her to finish what he couldn't 10 years ago.

Main Characters :

Yujin, tall girl with a quite arrogant look, as she is quiet and looks cold, people don't try to get closer to her. Still, her smile is amazing.Her parents run a influent company in Seoul but she lives in her ownin a quiet district. Here played by Sera from Nine Muses :

Jimin, playful boy who get bored quite fastly, he loves to box and his smile makes girls faint, let's say here he is one of the most wanted boy of high school :

Jungkook is the  bestfriend of Jimin, he's younger so just it's his first year in high school, he is also the son of the former lawyer of Yujin family :

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