If it makes you guys/gals feel better, I haven't totally thrown Sera under the bus. I have my hopes that Sera might get some changes/expansions in the future that will give me an incentive to know more about her. But her current introduction and foul mood doesn't exactly scream "Throw yourself at her". Sorry.
There are currently two expansions in the game (One for a party to help her business and one for her preg expansion) and another, her enslaving route, on it's way.
Only thing is rn you don't get to see any real development in her unless you actually DO become her sub from fucking her (Or in her case, her fucking you) a few times.
Her talk scenes to learn about her and both routes currently in the game thus far are locked behind being her sub, and she basically opens up to you a lot more once you do agree to be that, and then it's not really that hard to get that route.
I hated her at first as well, since she screamed nothing but 'bitchdomme' to me from the get go the moment I met her and I'm someone who judges based off of first impressions myself, but after actually being her sub in my main file, it got me to look past that and like her a whole lot more as an a character, and now she's one of my favorite dommy NPCs in the game, even if she is a little rough in the bedroom so-to-speak. I mean the sex scenes are delicious from a submissive's perspective, I kinda get a kick out of them myself what with being kinda subby as well, but it's character development that makes me like NPCs to even look past first impressions, so I gotta praise Nonesuch for turning a character I hated from first glance into one I love once I tried working to see that development.