Which tag would that be? Visual novel?
You need to deselect this setting in your Itch account configuration.
- Show content marked as adult in search & browse
Your game is on /games/newest/genre-visual-novel and yes there will also be nsfw games that are newest and displayed near your game.
Nevermind. You seemed to have configured your game yourself as sensitive content. Yes, that is nsfw and there is no inbetween. And since Itch is in the US, that will also mean any naked female pixel boob, even if the same game would be rated 12+ officially in some countries.