Joke's on Hayun. Yohan finds thin and pale attractive. In fact, Yohan looks at him even now, before he's completely undressed, with an unmasked hunger. Like he's the only attractive person in the world. Like he's the only other person in the world.

Yohan's patient. But he's also not going to ask 'are you sure' when Hayun says to keep going. He's not going to be the cause of Hayun doubting himself and what they're about to do. Instead, Yohan nods. He takes hold of the hem of Hayun's t-shirt and pulls that upward and over his head, just like the sweater before it.