I
pixel_player480290979
You have to go back to the main house.
Floor 2 in here
https://drive.google.com/drive/mobile/folders/1jwCnxsD5pE8_TEEPYkqfcxBOdQJKCKuQ/1ZcesiLfIWLa0DqnjJnHW6AlMRCqsJg_5?sort=13&direction=a
Red envelopes marked in blue. Key (marked in red) needed. You get that, when you did everything else from the person in floor 3.
So check all maps.
Or check the video in here
https://forum.pixelfederation.com/diggysadventure/d/193089-lunar-new-year-maps-videos-information-more