Reborn Empress: Something Is Wrong with My Master!

My name is Su Changsheng, a time traveler, and currently the leader of the Xuantian Sect. One day, my system awakened. As long as I impart the benefits to my disciples, I can return them in different multiples. Give a disciple a spiritual elixir and get it back a hundredfold! Obtain the Divine Grade Xuanxuan Dan! Teach your disciples the Falling Leaf Sword Technique and get a thousandfold return! Obtain the emperor-level sky-swallowing sword technique! So I treated my disciples selflessly, let them feel Master's warmth, sang praises to the world, and was called the best Master in history! … My name is Bai Huang. I was once the Divine Phoenix Empress of the upper realm. I was assassinated and killed by the Jin Lan sisters and was reborn in the lower realm. It is my goal to break through the imperial realm, return to the upper realm, and take revenge. Because of the betrayal, I no longer trust anyone! Any goodwill, in my opinion, is in exchange for more benefits! In order to avoid attracting attention, I decided to join the nearby Xuantian Sect. The master is very handsome and warm. He treats his disciples selflessly and does not ask for anything in return. ... There must be a fraud here! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.