"but MD isn't that bad. He stopped right away after Chanwoo said the safe word" - you say that like that's some sort of fucking accomplishment...
When the safe word is said, you HAVE to stop right away. Those are the fucking rules. You're not some kind of good person if you do. It's not optional.
Chill lol did you not read I know it's a messed up situation? It'd be even more messed up if he didn't stop. He has the choice to be a complete bastard more than what he has already done.
Knew it!
So I agree this is a f'ed up situation but MD isn't that bad. He stopped right away after Chanwoo said the safe word and that's what's important. Sure, Chanwoo got the shorter side of the stick but both of them did something that hurt the other, even if it's on a different scale.