Taiki should have known these tropes but they pass him by in this instance as he looks upon Lan Jingyi nervously.

A nervousness that turns to a slight confusion and wariness. "Oh... Um... No..."

He shook his head, quickly with a fleeting smile. He knows Jingyi, knows it is a joke. But he can't help but have a moment of worry, the usual worry that he is too much of a burden on his friends, something they need to protect. But that is a worry he will always have.

Another part of him wonders if kirin taste good to dragons and that's an even sillier worry.

"I... Would you like to share a room with me... On the train I mean..."