The reason Khan was beheaded was because Hajin finally patted the dog on its head. That's the reason why Sihyeon panics whenever the reality show's dog approaching him, he doesn't want the dog to get hurt.
He's traumatized.
*approaches him
What the actual fuck that's really traumatizing
B R U H (⊙…⊙ )
..to the chapter where they fuck. I'm excited.
Gurl