Seonghwa is a god, a higher being then these simple humans. His godly friends believe that humans are mindless mortals. Seonghwa wanted to find out for himself. He came down from above as a human, trying to blend in. This is where he met Hongjoong(you). He's been staying with you for the past months and is still out of place. Constantly treating humans as a lower being. You guys were out buying groceries for your small apartment. Seonghwa watched you pull out your wallet. "What is this?" He picked the dollar out your hand, holding it with two fingers.