But this is quite different than what you said above...Granted, there needs to be lesbian interaction between the related girls, otherwise it's not lesbian incest.
I wouldn't consider shared blowjob (to follow your example) to fall under lesbcest, however if the 2 (related) girls are sharing a cum-swapping kiss, then it's fine for me. Another example: daughter watching mom having sex with a man is not lezcest (although extremely hot imo), but mom eating daughter's cunt while being penetrated by a man, it's OK in my book.
I think I didn't explain it well (English is not my first language), but more or less, that's exactly what I wanted to say (I wouldn't put sharing cum either, but that's just me being "picky".).
as for example here the ones this user
shared, the first ones do not have at any time a real sexual contact between the women, for me it would not be things that should be in a thread that focuses on a “lesbian” aspect.
only in the second ones, one of them has it, the rest do not.
in
these others shared by the same person, all the time the 2 women have sexual contact, and at least all the scenes are centered on them, so this one is much better.
all the scenes were threesomes, but the last ones have more "substance" and sexual contact between the women to justify the “lesbian” aspect a bit.