If I had to guess, maybe it fucks with her makeup and she doesn't shoot her stuff linearly. Either that or something more simpler like not selling well or she just doesn't like it.
In fact the last one would be the one from Esil but my personal favorite is the one from the zero two photo shoot, I don't think it's because of low sales.
She only has a few lesbian scenes with zirael rem and another girl, can't remember her name. She stated many times that she's "afraid of men" that's why she only does content with her husband