[Artworks] Sierpinski Unique Door Lock (Pixiv Fanbox)

{{ when Elster exploring Aeon Facility, she's found a room that has a locked door with weird lock system, since there's a machine withe a long bar that shape like a male genitalia and on the bar its said "insert into vagina to unlock. Out of curiosity, since she has the vaginal partson her, she tried to plug in and the lock system starts reacting.... }} Fanart of Elster, the main characters of the 90s-style horror game "Signalis" Full Hi Resolution file link here : https://mega.nz/folder/jQ9gDTZI Decryption Key: Expired Foldername: 012023SGL