Chun Ae High and Myeong Secondary decide to create a pen pal system to try and quell the rivalry between the two schools. The students think nothing of it in the beginning, but one thing leads to another, leading them all on a path of self-discovery, truth, and heartbreak.    

sehun makes a mistake and everything comes crashing down. doctors!au based off this text post. 

Sehun’s father gets a promotion at his workplace, which means his family has to move to the USA. Sehun isn’t very happy about it, especially after encountering a mysterious figure in one of the rooms of their new house.