That's fine on this side — you may need to figure out a way to accommodate if people don't want to retcon their threads, though, but I'll leave that with you.

For Zhou Zishu's treat, let's give him the beautiful turn of luck that, whenever he enters a tavern or establishment that offers drink, someone is just buying a free round for the entire place, or perhaps for him specifically (he just has the kind of face that invites charity!)