This is a false positive, it's a common issue with unity based game. You can run the game anyway.
Click on "More info" then "Run" or "Run Anyway"
Ah ok thanks for the quick reply. I was worried that there might have been a dangerous file and that's why my PC warned me.
You will get MS-Defender on any Porn game, because they are unknowns or at least 89% of the time.
So, if you are going to play porn get used to it.
Microsoft never got the message: