Files from "otomi-games.com" sometimes use the site URL as the extraction password.
If this was a "Buy" tier, it might include NSFW variants or "making-of" booklets. Safety Note otomi-games.com_ARTBUYY7.rar
.rar (WinRAR archive), which requires software like 7-Zip or WinRAR to extract. Files from "otomi-games
If you downloaded this file from a third-party site or a forum: otomi-games.com_ARTBUYY7.rar