God of Show: the First Mission of the Five of Hearts

[I am not a drama god fan + no female protagonist + socially fearful (multiple personality) male protagonist + no CP + try to change regrets + no time travel] (The Five of Hearts had not yet joined the Twilight Society when the author wrote!) (I know OOC, but my writing style is not very good. Please give me some suggestions.) Mu Anning is an orphan who doesn't know where he was born. When he was a child, he wandered all the way to the world of mortals. He happened to catch up with the "Fu Sheng Hui" who selected children from the folk to enter the "Qing Dao Ancient Tibetan". He was also brought in by mistake. He unexpectedly discovered that he was a genius of Qing Shin Tao. He entered the world of mortals and was trained by "Fu Sheng Hui". In the Hongchen Base, Mu Anning accidentally helped "Plum Blossom Eight" Lin Xi and discovered that Lin Xi was a member of the Twilight Society. Lin Xi also discovered Mu Anning's unparalleled Qingshin Tao talent. She asked her superiors for instructions and recruited Mu Anning into the Twilight Society, codenamed "Red Heart Five" Since then, Mu Anning has become a double agent for the Dusk Society and "Fu Sheng Hui". Because he opened a shop selling masks on the corner of the same street as "Jinghong Tower", he was also assigned by the superiors of "Fu Sheng Hui" to keep an eye on the casino and Jing Hong Tower. Today, Jinghong Tower opens...