Bang Yonguk does right by others before himself. He does what he thinks is right and stands by his actions. But one day a decision he made one day long ago in his past sat tables away from him and he felt regret.

I don’t know how to love correctly, because I know I’m doing it wrong. ‘I have to be doing it wrong.’ In love, you don’t regret it and rethink it and hate it. And I don’t know where it began but I want it to end.

When Tao finds out that Kris is leaving.

“You” she began saying “-you don’t have to look so sad cutie” She saw it-she saw I was going to put in some kind of but yet she stopped me with that unbearably sad expression. It hurt to see her like this, forcing a smile so I’d feel better. The smile didn’t reassure me of anything at all. I ran a hand through my hair and sighed. I didn’t know how to help her.

It wasn't supposed to be like this-end the way it has. I know though i wouldn't be able to change anyhing. I'd ask him to undo this but he wouldn't. And that's stupid to let love blind him as it has. But he's always believed "Better to have loved and lost than to have never loved at all".That a load of BS right? Because I would have rather known him and never had him than to have loved and lost him . . . forever. And I would have been nothing less than greatful to the  soul who would change