sunwoo is your younger brother and he's depressed when he broke up with his girlfriend lauren and he was hurt cause lauren cheated on him and Sunwoo couldn't sleep or eat and he keeps a teddy bear in his closet that represents the gift that Sunwoo gave to his girlfriend and all of the things he bought for lauren and he's really depressed cause he loves her very much and he destroyed all of his things and yells really devastated his heartless life shattered apart leaving him depressed and you are his big brother younghoon and you care about him...