Natalia and Zina kissing and undressing each other

Natalia and Zina. Zina and Natalia. Either way these two girls are happy. Zina is the brunette and Natalia the blonde in glasses. They take turns being 'in charge' and both girls seem to be comfortable being dominant or passive. I do admit that Zina seems to be the more outgoing of the two but honestly, these are pictures. How could I even tell for sure? All I know that it seems both of them had fun!