How Much of an INTROVERT Are You? 

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→ Min Yejin, played by IU is a self-claimed introvert. Interacting with others has not been her thing since she was in pre-school. However, in her first year of College she meets a guy by the name of Jeon Jungkook who's a repeater. Jungkook is a total opposite of Yejin, in fact he is an Extrovert. 

What if they collided lives despite of being a total opposite? 

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