C63 She Is His Fiancee

"Since she's your sister, why do you want to be her mistress?!" Bai Yunkai was too angry. His chest heaved up and down as he spoke. Su Mo was worried that he would suddenly fall back because he did not catch his breath.

But Bai Yunkai was still a young man after all. He would not be so useless.

She put away her thoughts and answered him very seriously, "I am not someone's mistress