Each NPC has their own inventory, and if you set it up right, the PC just Quantum Leap body-jumps into each character wholesale wherever they are and with whatever they have on them.
That’s what I did in my Cragne Manor Room: Jessica was an NPC in a different section of the map with her own clothes, her own books, her own descriptions, and I just had to change the player to her (and a bunch of stuff with story tense and prop manipulation…etc)