half the characters was a hyperbole but Aria and Bella as team members are probably the most prominent LIs in the story with the Goddess out of the way for now. So Aria being an insufferable asshole is really, really bad.
Bella without the Kiss is fine she vanished MC is understandably pissed about it and can tell her that he is glad that she is back but that he's not ready to forgive her at this point. Even her killing him is in the new light a clear accident. So she is (now) fine in my book. (maybe give her some more thought that defend MC while she reads his file to Nath.
The others we didnt see enough to form a honest opinion about them but i liked what i saw so far.
Aria first interaction he get she uses MC to get carried around all while insulting him in front of their teacher. She Uses him for money/labor, attacks him with magic for fun etc etc.
you have scenes here she wants to show MC that she loves him but to be honest at that point she is already a 100% self-centred asshole.
their whole interactions boil down to this meme
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reworking Aria would elevate the game to a whole other level, Aria is tanking the game like a burning Electrical Bus shackled to your feet while taking a swim