Responses
I think the guilty thing is what would usually happen in your typical Japanese manga, but Korean culture doesn't seem to nurture that excessive sense of obligation towards the feelings of everyone around you that Japanese culture seems to encourage (at least in manga...).
Lol, when he found out his friend liked his boyfriend, I thought he was gonna get all guilty, but he sudenly dropped a bomb and said,"No way, jerk, he's mine!". Well, that proved that he ain't one to back down. And hot damn, I am loving the sex scenes!!