Invincible

"Father-in-law is here to kill the son-in-law!" Si Yunxiang's face was red from excitement. "Cult Master, Emperor wants your head off, so you have no choice but to retaliate, gathering the power of our Heavenly Devil Cult to get rid of the emperor and taking his position yourself.

"Princess Xiu is married to you, so she would become part of your chamber of imperial concubines. You're lovers, but she needs to take revenge for her father's death, and so her heart would be in a struggle. If that wasn't enough, she would also have to defend against the other imperial concubines.

"There would also be Saintess Xiang, which is me, planning to kill Cult Master to become the emperor. Princess Xiu would have to face my evil schemes while protecting you Cult Master as she thinks of ways to kill you herself. What true sadomasochism!"