>>725216845
If it has PlayDRM, yes. I can't check personally because I can't find the page. It either hasn't gone up yet, or more likely, is region-locked because of DLSite's automated system that they implemented earlier this year to appease western credit card companies.
>>725216972
Inti was literally founded by hentai artists. Gal*Gun is their most well-known IP after Gunvolt and all of their games are heavily otaku-flavored. Shut the fuck up, you're the one who doesn't know what you're talking about. Gal*Gun 2 is one of the most risque games ever put to a console.