Oh my, it seems we've struck a nerve!

The game in N&T marked sex content is RPG maker slop featuring romanceable characters with big boobs. There is no nudity in the game, only romance options, and you must manually download and install an 18+ patch distributed on the publisher's website, for it to become an H-game.

Feel free to report the game for being mislabeled, that is a perfectly reasonable response if you feel it's skirting the spirit of the rules. I would actually agree too! In fact, I'd argue Steam should be carefully about any game encouraging a user to go off-site.

Meanwhile, the N&T for an account with no filters has the actual adult content. So, despite my apparent illiteracy, we are correct.