itch.io

Lol! Don't worry, there are plenty of keys that you will find in the game. For now just take hint again to proceed further.

You should go to the storage room you were assigned and sleep on the couch. Stand near couch and click on the couch.
Storage room--> From main hall, go right, get inside the left room after crossing the first arch. He will anyways wake up soon after having wild dream :P