Originally Posted by roxpoxy

The
"this site may be hacked"
is an algorithmic classification by google's crawl bot, & in my opinion & experience gives a lot of false positives with Adult related sites. Google offers only a couple of ways to remove the classification, the first is with the Google Search Console, requesting a security review, & the second is through this form
docs.google [dot] com/forms/d/11ja4RG490nWbbcHdn-g22l5kBsrRJjn3mbHzjcnHcYY/viewform

I wouldn't be too hard with your tech. Google doesn't make it easy to get it removed & are slow with responding.