Recently I have been getting addicted to the OP from the beginning but the MC is actually weak misunderstanding trope Where MC starts as some top level figure and is either injured or maybe his cultivation got reset, and he has to act his part for fear of being caught. Two novels with this kind of plot i've read are: I’ve Possessed the Demon Sovereign’s Body and My Disciples Are All Villains
Your conditions match with the Flower Stealing Master. https://www.novelupdates.com/series/the-flower-stealing-master/