I'm honestly a bit confused by your comment about ntr and cheating. The whole situation between Bella an Aria simply screams ntr/cheating especially since Aria even made a comment about another girl too. Okay.. You may have removed the kiss but the tension between them surely hasn't changed i assume? Not to mention Arias femdom side and her forceful, toxic and abusive behaviour towards the mc. I can't imagine that the Bella scene was the only planed one where Aria kisses another girl (or more) without mc's knowledge