Fairies... Their diminutive size and naturally outgoing, curious nature make them prime targets for demented humans.
You run a clinic that rehabilitates these gentle creatures from whatever physical or mental malady they suffer from, with the help of your fairy nurse, Luna.
Have the police bring you a new fairy whenever you are ready.
https://play.aidungeon.io/main/scenarioView?publicId=b6a2db40-5089-11eb-8ed3-7fc194ddc9f7