C288 My sister is a bottomless pit

"Mr Su, I'm going to work."

Early in the morning, Tong Xiaoan slipped out of Su's Mansion's room while sticking her tongue out.

The Shadow King sat at the table, completely uninterested in the sumptuous breakfast.

He looked at the girl's back as she left and had a vague feeling that she was hiding something from him.

In bed, she was more and more submissive