I've been watching Redo of Healer. It's definitely not for most people. If you've been living under a rock, it's controversial because the protagonist tortures, rapes and enslaves his enemies as revenge for them torturing, raping and enslaving him. The third episode has a flashback showing how one of his captors, the princess Flare, forced him to eat her out by pouring the drug she got him addicted to on her pussy. One of her party members, the swordswoman Blade, is a lesbian obsessed with Flare and gets insanely jealous having spied on this. So we get a lesbian cuckquean moment where she kisses him to get a taste of Flare's juices (in between beating him and other unpleasant stuff).
Again I doubt most people here would like this show as it's very dark, but while I'm watching it I may as well point out scenes that might interest people. Excuse the soundless webm I grabbed off 4chan; I'm not in a position to make my own right now.