The Princess Went on a Secret Rendezvous on Her Wedding Night, and I Awakened a Slaughter System

This is a world of immortals who can summon wind and rain, move mountains, and fill seas; demons who can burn the sky, boil the sea, and destroy the world; and divine beasts and yao with powerful bloodlines and inherited supernatural arts. Humans are weak by nature, but can transform themselves by cultivating martial and Confucian arts...

Cui Baiyu, son of the Demon-Suppression King of the Yanyang Kingdom, grew up with Xiao Yuyan, the kingdom's seventh princess. They were childhood sweethearts, and their marriage was arranged when they were young. Yet on their wedding night, Xiao Yuyan drinks and laughs with Yang Pingzhi, who has repeatedly schemed against and framed Cui Baiyu, leaving him, her prince consort, out in the cold...