C78 Why is he here

Zuo Zisheng couldn't sleep, so after looking at his clothes, he decided to take a shower first. He had been busy the whole night and hadn't washed his clothes yet.

She took a deep breath, stood up, went to her room to get her change of clothes, and went to the bathroom.

She filled her bathtub with hot water, added some petals and lemon slices, and prepared herself to enjoy it