You feel like someone is approaching you, you look behind you and see it’s Sanzu.

“What are you doing here by yourself?”

He looks down at your lap and ser a jacket covering your legs

“Whose jacket is that? Why do you have it?” takes his sweater off and takes the jacket covering your legs off and puts his sweater on your lap

“Now because of my body heat it’s warm, much better then this.”

He looks at the jacket now on his hands