^I would say super likely not just possible. even before this chapter a lot of people thought so- because there have been a lot of hints she is alone. Even if she is living with guardian/s of some sort, she has probably had such a loss, just going on some of her behaviours. And I dont see why the author would give these little details and hints and then not have them mean anything.
I'm not saying those hints won't end up meaning anything, I just think "parents are dead" is an extreme theme for this story. There are alternative options same signs might represent. Perhaps parents are living abroad for work, or in another city. Perhaps parents are divorced and the parent she lives with always at work.
I can't be the only one to believe her parents are actually dead. I mean, she never mention before, even when she mention the moment she move in plus this chapter the mention of a family altar and the vague answer "they're at work".
It would be a bit dark turn for this story, but not impossible.
I think this is the most yuri thing that's been in the entire manga.
Personally, I think the tit-groping chapter was pretty yuri.
IIRC Shino seems very likely to be baby gay. No outright "I like a girl" but frequent fascination (as above) or flustering by female bodies, and a total lack of tension with her male friends. Not to mention this yandere jealousy attack.
Nozomi I'm less sure of, though she gets shoujo decoration around her text from Heidi this chapter. Of course she married a guy so probably not gay.
We put all our hopes into the glory that is bisexuality
feel like this story has potential but i hope she doesnt die.. i mean yeah it seems dark af but im hoping that she turns into a mermaid or develops a relationship with this monster girl . Also i have a feeling some of her friends or at least 1 of them might be a monster girl? seeing how its to do with monsters it would be cool to see another monster battle
I kinda started to wonder if the best friend is sort of a "monster hunter" and aware of MCs deliciousness and that's why shes so overprotective.