Hr555 did this fun one but he doesn't do much boob stuff as much as the cannibalism on pixiv, as well as chunlieater for one or two. You can find a bunch of stuff by backtracking things thru searches on pivix as well (check the tags of things and you'll find there's a debreasting/breast torture tag on that site). Also how has no one mentioned boeserwolf as well since their essentially other side of the sea me in terms of art XD. They got stuff on their eka's page.