what are their names?

Their names are Ekaterina Zueva (in Cyrillic Екатерина Зуева; in front in the turquoise lingerie) and Anna Mitlosh (in Cyrillic Анна Митлош) aka Anna Mayskaya (in the back in the black lingerie), here in a picture (perhaps a screenshot) from a photo and video shoot with photographer Said Energizer, released on website StasyQ (= StasyQ 175) in November 2015.



Streams (full scene):
https://www.lesbian8.com/videos/148126/amateur-lesbian-lovers-zueva-and-mit
losh-teasing-and-making-out/?
https://www.redtube.com/11830601

Notes:

There are no credits on the official website of StasyQ - and I can't find any official proof for all of their names at the moment.

However, as you can see on the streams, the names "Zueva" and "Mitlosh" are attached to these uploads. There are also several pics in which you can see that they worked together around 2015/2016 - for example:
https://www.reddit.com/r/ladyladyboners/comments/jg7pd2/anna_mitlosh_with_e
katerina_zueva/
https://www.listal.com/viewimage/15381456

There's also a (now deleted) instagram account in which Anna Mitlosh tagged Ekaterina Zueva for a photoshoot in April 2016 - unfortunately, the picture is not archived. But it shows that they both worked together during the time in which this photo and video shoot for StasyQ happened.

Finally, I just spent more than an hour making several dozens screenshots of their faces in the video - which is extremely difficult and nauseating, because it always cuts away right before you can see their faces. However, in comparing the few good results via pimeyes with actual pictures of them, it turns out they both match! :-)

I have no doubt that these names are correct.

References:
https://www.stasyq.com/175
https://www.thenude.com/cover/stasyq/573946/stasyq-175-by-said-energizer

Ekaterina Zueva
https://ekzuueva.com
https://www.instagram.com/zuueva/
https://www.tiktok.com/@zuueva
https://www.tiktok.com/@ekaterinazuueva
https://twitter.com/ekzuueva
https://vk.com/zuueva
https://fansly.com/zuueva/posts
https://www.facebook.com/ekzuueva
https://www.babepedia.com/babe/Ekaterina_Zueva
https://www.listal.com/ekaterina-zueva
https://www.freeones.com/ekaterina-zueva/links
https://www.reddit.com/r/EkaterinaZueva/
https://www.youtube.com/channel/UCTnMVIxCmtU4vQ5_7-ge1iA

Anna Mitlosh
https://www.instagram.com/Ann_peekaboo
https://instagram.com/anna_mitlosh (dead)
https://web.archive.org/web/20160403220008/https://www.instagram.com/anna_m
itlosh/ (archived)
https://vk.com/marsianka74
https://web.archive.org/web/20180814202228/http://www.bellazon.org/anna-mit
losh.html (archived)

https://www.babepedia.com/babe/Anna_Mitlosh
https://www.listal.com/anna-mitlosh
http://www.nudecelebforum.com/threads/anna-mitlosh.241397/
https://thechive.com/sexy-girls/annas-here-to-give-your-week-a-happy-ending
-26-photos/
https://www.youtube.com/watch?v=m7nhOv309Jg

Their names are Ekaterina Zueva (in Cyrillic Екатерина Зуева; in front in the turquoise lingerie) and Anna Mitlosh (in Cyrillic Анна Митлош) aka Anna Mayskaya (in the back in the black lingerie), here in a picture (perhaps a screenshot) from a photo and video shoot with photographer Said Energizer, released on website StasyQ (= StasyQ 175) in November 2015.



Streams (full scene):
https://www.lesbian8.com/videos/148126/amateur-lesbian-lovers-zueva-and-mit
losh-teasing-and-making-out/?
https://www.redtube.com/11830601

Notes:

There are no credits on the official website of StasyQ - and I can't find any official proof for all of their names at the moment.

However, as you can see on the streams, the names "Zueva" and "Mitlosh" are attached to these uploads. There are also several pics in which you can see that they worked together around 2015/2016 - for example:
https://www.reddit.com/r/ladyladyboners/comments/jg7pd2/anna_mitlosh_with_e
katerina_zueva/
https://www.listal.com/viewimage/15381456

There's also a (now deleted) instagram account in which Anna Mitlosh tagged Ekaterina Zueva for a photoshoot in April 2016 - unfortunately, the picture is not archived. But it shows that they both worked together during the time in which this photo and video shoot for StasyQ happened.

Finally, I just spent more than an hour making several dozens screenshots of their faces in the video - which is extremely difficult and nauseating, because it always cuts away right before you can see their faces. However, in comparing the few good results via pimeyes with actual pictures of them, it turns out they both match! :-)

I have no doubt that these names are correct.

References:
https://www.stasyq.com/175
https://www.thenude.com/cover/stasyq/573946/stasyq-175-by-said-energizer

Ekaterina Zueva
https://ekzuueva.com
https://www.instagram.com/zuueva/
https://www.tiktok.com/@zuueva
https://www.tiktok.com/@ekaterinazuueva
https://twitter.com/ekzuueva
https://vk.com/zuueva
https://fansly.com/zuueva/posts
https://www.facebook.com/ekzuueva
https://www.babepedia.com/babe/Ekaterina_Zueva
https://www.listal.com/ekaterina-zueva
https://www.freeones.com/ekaterina-zueva/links
https://www.reddit.com/r/EkaterinaZueva/
https://www.youtube.com/channel/UCTnMVIxCmtU4vQ5_7-ge1iA

Anna Mitlosh
https://www.instagram.com/Ann_peekaboo
https://instagram.com/anna_mitlosh (dead)
https://web.archive.org/web/20160403220008/https://www.instagram.com/anna_m
itlosh/ (archived)
https://vk.com/marsianka74
https://web.archive.org/web/20180814202228/http://www.bellazon.org/anna-mit
losh.html (archived)

https://www.babepedia.com/babe/Anna_Mitlosh
https://www.listal.com/anna-mitlosh
http://www.nudecelebforum.com/threads/anna-mitlosh.241397/
https://thechive.com/sexy-girls/annas-here-to-give-your-week-a-happy-ending
-26-photos/
https://www.youtube.com/watch?v=m7nhOv309Jg

All I could found is this:

That set is from StasyQ #175 to be precise
(https://www.stasyq.com/175)

This link belongs only to that set

https://viki-helga-galina-others.tumblr.com/post/157361794695/stasyq-set-17
5/embed

This one to a blog where the set appears

https://viki-helga-galina-others.tumblr.com/post/157361794695/stasyq-set-17
5

Accordning with the hashtag below one of them is called Ekaterina Zueva but the name of the second girl does not appear, and no model is tagged in the official page. Good luck finding more info about this, hope you find this helpful.