The name suggests it is likely an indie adult game or, more critically, a potentially malicious file. Because it is an unverified .rar archive from an unknown source, you should exercise extreme caution:

: There are no listings for a "Masterbation Simulator NEXT" on reputable gaming platforms like Steam, Itch.io, or Nutaku.

: If you are looking for adult simulations, it is much safer to use established platforms that scan files for viruses and provide community reviews.