For the visual novel by developer aPieceOfTissue

The visual novel (GUP), developed by aPieceOfTissue (often referred to as AP Work), centers on a protagonist named Eric who returns to his childhood town only to encounter a mysterious "grown-up" problem following a late-night encounter with a stranger. Version 0.85 serves as a transitional update building upon the major content additions of v0.8. Version 0.8 / 0.85 Key Features & Content

There are typically three outcomes in AP Work games:

Succubus Trick: Grown Up Problem " (often abbreviated as GUP) by the developer aPieceOfTissue