I KNEW IT! I figured out his goal almost immediately. He was basically thinking, "If I can't kill them, then I'll destroy their relationship with you, even if it means hurting you too. As long as I get to keep you."
Minyoung is seriously insane. His obsession is on another level, and the scary part is that he genuinely believes every single one of his plans will work perfectly without a single mistake. 💀