It depends on what you consider lesbian ntr.
The purple hair girl kisses MC's gf at first, then later tries to seduce her. Unlike the other dude, I dont think it was done in a realistic way. Realistic would be the blonde freaking out and telling her to stop that shit immediately since she is already in a relationship. Here, it is the usual trope of 'I am not lesbian.... but this is so hot.... but we should stop ... for now'. It is clearly teasing and building up to a relationship between the two of them ( and later between the three, a throuple)
The problem some may have with this, is that she is trying to seduce the gf behind MC's back , when he is not around or sleeping, etc
So it is not really a case of " oh they touched during a threesome! Ntr! Reeee". But it is also not ntr really either, at most you could say it is shitty way to set up a throuple for those who dont have a lesbian fetish.
Well, Daniels K stays true to himself.
I would say "shitty approach" in developing threesomes/throuples is a his brand-feature. Happened in almost every game, maybe only Lancaster Boarding House stands out.
I'm sure people who like FF action don't mind it. And Dev himself probably is a huge fan of it.
I for once do not like FF stuff, though in his previous games it was ok-ish from my perspective, didn't bother me enough to start making a big deal out of it..
In this game though MC and GF are in a serious relationship, she is preggo, lol, other girl tries to seduce her and GF doesn't seem to mind that much, soooo... yeah, I'm definitely not a fan if it.
Well, we'll see how it goes.
I'm also not a fan of forced GFs, It's fine if we can ditch GF in the end and end up romantically involved with somebody else, so who knows