The term "Piece" often refers to an individual entry or "work" within a larger catalog. Given the highly specific and mature nature of these keywords, this is almost certainly a title from a Japanese adult media circle (independent creator group) released digitally through platforms like Pixiv Fanbox DLsite Store
Use Pixiv or ArtStation to find specific artists by name. jk molester train seeding uncle v21 digital new
under search terms like "digital subcultures and adult media" or "Japanese media tropes in interactive simulations". ScienceDirect.com The term "Piece" often refers to an individual