I think that might have been her plan to some degree, I just am unsure to which point. She might have planned to make them scared either by killing some of them or something along those lines.
I mean if there are lesbian sex scenes in the future, I would consider it to be yuri lol, but I do find it weird that it's advertised as yuri but the author itself doesn't seem to consider it as such...
I understand that is what the author wants, but I think the mistake here is that it was tagged in mangadex as yuri and that may drive people to pick this up thinking that is what it is, hell I picked it up for that reason but I'm staying around because it's interesting. If this manga isn't...