On Our Wedding Night, I Woke up the Yandere Prince with Chat

Legend has it that Prince Kang's eldest son contracted a strange disease, and medicine and stone failed to work. Ying Cailan, a secret doctor in the mercenary world who traveled back in time from the modern era, from then on, the prince's concubine tore apart the wolf father, the scumbag mother, and the bitch sister, and the prince handed him the knife; the prince's concubine stepped on the prince and slapped the princess, and the prince applauded. One day, the entourage came to report: "The Crown Prince is in trouble. The Crown Princess has pulled the Emperor down! All the princes are also dead!" Yan Peiyu said: "Then who will be the emperor in the future?"