By then, Lan Wangji has finished every chore for the night. He already showered, so he is simply waiting for him in the bedroom to finished for the night. He's sitting in front of the vanity, combing his hair, and wearing his night attire when he heard him calling out, so he steps up to go see him.

"That's good. I finished everything for the night, so you can go shower. I'll wait for you."