Nepgear in the Maid's House

From the letters page: A completed adult game from Wereship, Nepgear in the Maid's House was built with RPG Maker. The story follows a female protagonist through corruption, mind control and pregnancy. Scenes are presented as 2D art and censored art. Available for Windows, about 209 MB.

From the box: “Nepgear, who sneaks into the mansion as a maid, collects items while working during the day, and at night explores places that were not accessible during the day.”