If you own the game, you can download the latest version directly from your library to ensure all "pieces" (assets and executable files) are up to date.
The game follows a princess attempting to escape a demonic dungeon, featuring high-fidelity pixel art and various "bad end" scenarios typical of the developer's style.
While an official translation exists on platforms like DLsite and Kagura Games, community-made "machine translation" (MNT) or "partial" patches are often circulated for older versions; however, the official English release is the most stable "piece" available.
Dark fantasy, tactical turn-based RPG, and "escape" simulation.