|Description||A gray key. Just holding it makes you anxious.|
|Usage||Opening the southernmost door in the Colored Ladies' room (Gray Area)|
|“||A gray key. Just holding it makes you anxious.||”|
— Game Description
It appears after a Lady in Green in the lower-right corner leaves her post on the wall. After Ib and Garry view themselves in the mirror and are surprised by the mannequin head, she will leave her post, and the key will be on the floor below where she used to be. The key will allow Ib and Garry to enter the south door of the large room, to the room where the Reserved Seat and Couple painting sit.