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(Solid, but grindy)
The other major component of the search term is the creator handle, This points to a very different and significantly more obscure title: "Stlunggle Smulator." This game is documented on a Korean wiki, where it is described as an adult-oriented RPG created with the RPG Maker (Tsukuru) software by the developer "nomaaaaa". The game is hosted on the creator’s Patreon page, where it can be downloaded.