Based on the title provided, this appears to be a guide for downloading the specific Japanese indie (Doujin) game titled "ViotoXica -Vore Exploring Action RPG-" (often associated with the circle ACT-Xi-).

  1. Open Windows Control Panel.
  2. Go to Clock and Region > Region.
  3. Click the Administrative tab.
  4. Click Change system locale.
  5. Select Japanese (Japan).
  6. Restart your computer. Note: This does not change your Windows language; it only allows programs to run using Japanese text encoding.

Game Jolt – similar approach.
Pixiv – search using Japanese tags:
オリジナル RPG ヴォア (original RPG vore) + ViotoXica

If you're interested in exploring action RPGs (Role-Playing Games) similar to what "Diablo" offers, here are a few well-known titles:

A. A Patreon/SubscribeStar exclusive

Creators often hide downloads behind a paywall. Search for ViotoXica Patreon – if found, the lowest tier ($3–$5) usually grants access.

If you could provide more details or clarify your request, I'd be happy to try and assist further.

ViotoXica -Vore Exploring Action RPG- stands as a distinct example of niche game development. By taking the structural framework of an action RPG and infusing it with the specialized theme of Vore, it creates a unique gameplay loop where failure is as content-rich as success. While the subject matter is not for the general public, the game demonstrates how specific mechanics can be tailored to serve a targeted audience. It is a testament to the diversity of the indie gaming landscape, where developers can explore unconventional themes

If after exhaustive searching you find nothing, the title may be vaporware (announced but never released) or a misspelled variant. Try dropping the -ACT -Xi filters and search for "ViotoXica" RPG alone – that often reveals the real project name.

Action RPGs are a popular genre that combines fast-paced action with RPG elements. They often feature character progression, loot systems, and open worlds to explore.