Kim Sunggyu and Nam Woohyun have been best friends for as long as they could remember, although it was apparent from the start that they had vastly different personalities.

Woohyun was charming, happy-go-lucky and popular wherever he went while Sunggyu was calm, quiet and had a knack for taking care of people. But ever since that fateful day in 5th  grade when Sunggyu accidentally hit Woohyun in the face with a dodgeball and Woohyun 'accidentally' kicked his shin in return (causing them to break out in one hell of a fight in the middle of gym)...they've been inseparable.

Now that they were in high school, their differences though, became even more obvious to others. A member of the varsity football team, Woohyun dated girls left and right and got into trouble a lot which only seemed to boost his popularity every day. He was fun, arrogant, wild and stood out in a sea of people easily and effortlessly. 

Sunggyu, however, was different. His eyes were bad, had zero hand-eye coordination and he  mostly preferred to sit in a quiet nook and immerse himself in a novel. If he wasn't with Woohyun, he was basically just another face in the crowd whom no one really minded. And he preferred it that way. People didn't really hold any interest in him and he was just content having one or two good friends and not a million and one fans like Woohyun.

So basically their relationship consisted of Woohyun getting into trouble and Sunggyu bailing him out, Woohyun getting into more trouble and Sunggyu taking care of him again. Woohyun was more than happy with the arrangement and even Sunggyu had gotten pretty much used to being his personal caretaker.

But what happens when a guy named Kim Myungsoo suddenly asks Sunggyu out...and Sunggyu answers yes?