Please, update Karryn's Prison to the latest version. It includes downloadable content (DLC).
Here is the link for the download :
https://f95zone.to/threads/karryns-prison-v1-3-0-85-full-dlcs-remtairy.33777/
https://gamcore.com/games/karryns_prison updated - please carefelly check if the game is working properly