Payback AU: What If

[What if middle-schooler Lee Yoohan met high-schooler Yoon Jay] An emotionally broken teenager Lee Yoohan had a chance encounter with an emotionally numb young adult Yoon Jay. This is the story of how Yoohan begin to melt Jay's freezing heart, and how Jay tried to mend Yoohan's broken one. A fanfic AU of a novel Payb...