Kim Jiwon was sunshine and moon. Sunshine because his laughter was warm and bright; moon because his eyes would disappear into crescents when he smiled. But most importantly, Jiwon was the pink bougainvilleas that grew outside his window and bloomed till late into the fall. 

I know your heart isn’t with me. He was always the person that shined in your eyes. We weren’t fated, and parting is our answer. I’ll let go of the hand that I held. Before I change my mind, don’t regret it and just go

I called her a little kid. She got annoyed and called me Kim Jinhwan. What she did next shocked me. She did prove that she's not a little kid.

We broke up. But why are we unhappy? What's the reason why we broke up?

The parts I sing for you.