C499 Executioner

Time passed day by day.

Zi Su was locked in a dark room, with no sun in the sky, she could only count the time of three meals a day.

After calming down, she slowly began to think about something.

Zi Xuan had told her that the demon-level Crown Prince's death had been caused by the poison of Xiao Yingzi, his personal eunuch.

But she herself was very clear