Ah-ah, he’s going to end up with the “more sympathetic rapist”. The lesser of multiple evils as it were. “Better Won than the others.”
It’s a common trope. The author with invent a worser character to make the original guy not so bad in comparison. And they’ve given us at least four. All worse than the one before. If we remember, this latest guy wanted to chop Seonho’s arms and legs off. And that was before his own arm got sliced off.

Typical yaoi. He’s going to end up with the rapist