Disguise yourself as a chair and then transform back.
After you drop your disguise NPCs will sit where you used to be.
Tested on:
Windows 10 Home
Version 10.0.19045 Build 19045
11th Gen Intel(R) Core(TM) i7-11700KF @ 3.60GHz, 3600 Mhz, 8 Core(s), 16 Logical Processor(s)
Installed Physical Memory (RAM) 32.0 GB
Total Physical Memory 31.9 GB
Available Physical Memory 19.8 GB
NVIDIA GeForce RTX 3090