I worked for a self publishing company long, long ago. It turns out, most of our best selling authors made NSFW stuff. Eventually our payment processor complained. So our CFO called around to a bunch of big porn companies and asked them which payment processors they used. Those companies were fine.

A guide book to female domination. Some sissy stuff with mature cover art. Right next to history books and Earthbound fan art. I felt good about it. Serving a real need.

A shame we never got Chuck.