Amber got cheated by Krystal. He moved to America for 2 years. The last year of high school he goes back to Korea. He gets his revenge on valenteins prom by preforming a song for her. 

we started off incredible

connection undeniable

I swear I thought you were the one 

forever

but your love was like a loaded gun

you shot me down like everyone

cause everyone's replaceable

when your just incapable

But it turns out he still loves her