Perfect [ONE SHOT, CLIFFHANGER]

That's Kim Yoon. The smartest- and definitely the strangest girl at Seoul High. The kids at Seoul High don't understand her. But that's okay, since Yoon doesn't understand them either. But that all changes
When she discovers Oh Sehun sobbing in the locker room. What happens when Yoon decides to use her powers of logic to solve Sehun's problem?
Kim Yoon's life gets messy, that's for sure, as she finds herself tumbling out of her well-ordered world.
And into the strangest place of all - her heart.