Blood Prison Qingluan: Regicide Contract

[Fantasy plot + fall in love and kill each other] The entire Xiao family was massacred, and the orphan Xiao Liyue suffered a blood feud, but was forced to form an alliance with the enemy's son, Prince Mo Chenzhou, who was poisoned by cold poison. She feeds his poison with her heart's blood, and he uses his princely power to help her get revenge. When the "blood prison" opened, the longevity scam was torn apart, and the two went from using each other to relying on each other for life and death. In this regicide, either they will ascend to the throne of emperor or empress, or they will both fall into the abyss of hell!