The result on my end is a bit different than you guys, I don't know if Microsoft suddenly updated their rating on this game but according to virus total (
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) only 4 of those in your results showed up. Those 4 being some rando unknown Antivirus (not reliable/notable enough), with McAfee being the most notorious one as being as shit as a malware/virus itself.
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My microsoft windows defender also did not detect any virus in the 7z file, and the extracted folder/ game exe itself. My windows defender is currently UP TO DATE. Either your Windows defender might be outdated, or microsoft made a last minute change from when you scanned that file to when I scanned that file to making it considered as "safe".
Yeah windows defender might be a bit fcky when it comes to "cracked" software/illicit software. A good example is trusted piracy websites like Fitgirl (files, exe, installer) getting flagged as virus by microsoft. It's because of the steam cracker tool that they use that alters the exe files themselves. Microsoft hates pirated shit and began cracking down on it so there's a decent chance that cracked software gets labeled as a virus/malware by microsoft. The worst aspect of it all is fcking windows defender treating it's users like babies and AUTO DELETES/QUARANTINES the files without asking user input. That is some malware/virus like behavior type of shit (in the way that it doesn't ask for your permission in deleting files). A person needs to exclude exceptions to pirated software (not all of them but some get flagged) just to get them working even when the pirated files came from a reputable source.
Granted I downloaded this one from pixeldrain (other websites/links might have been uploaded to might have been compromised/ is different in a way).
TLDR: I think it's generally safe since the OP (probably) got it from Kagura officially, OP is a verified uploader of this site, 4 AV that detected it in Virustotal isn't notable enough to warrant this as being 100% VIRUS/MALWARE. There is a chance it is, but there is an even HIGHER chance it isn't.
Edit: Welp that was odd the EXE did disappear on me also. I think what happened was I launched the game, alt tabbed and the game itself closed/disappeared along with the exe. Now this is a bit suspicious, I say don't download this for now it literally is gambling your PC on the line.