NO.MERCY

[...] In my head I kept calling them mister,
When they loved to hear me say hyung [...]

Insight into Changkyun's life during NO.MERCY, pre-debut, and during promotions.

[The story's only inspired by the show, I know some behaviors of the guys were act for the sake of entertainment, and that they are already over it, and more than friends they are now a family]