A Flirty Empress Is Nothing to Fear, but a Yandere Empress Is Terrifying

Su Mubai is a disciple of the Hehuan Sect. The empress takes a liking to him and brings him home to cultivate dual cultivation with her. He thinks he has awakened a “System,” but it turns out to be a ten-thousandfold return System: whatever he gives, he gets back many times over.