Incubus King - Unknown
Yin Li - Main Character - After being defeated by his best friend, Yin Li, a cultivator from Earth, reincarnated into the world of cultivation into the womb of Yin Fenfang, a courtesan of the Dragon and Phoenix Pleasure House, his new mother.
Yin Xiaodan - Yin Li's twin sister after he reincarnated. She has the same looks as Yin Li and the same charm too. When Yin Li was a baby, she always followed him around.
Yin Fenfang - Yin Li's and Yin Xiaodan's mother and a courtesan of the Dragon and Phoenix Pleasure House. Soon after Yin Li's and Yin Xiaodan's birth, she breaks into the Qi Master Realm, becoming one of the Heavenly Beauties of the Dragon and Phoenix Pleasure House.