Most of the recent popular ones tbh. Just look at the Featured manga section here...
From what I remember:
https://www.mangago.zone/read-manga/legs_which_cannot_walk/ (current side story is 3P)
https://www.mangago.zone/read-manga/prison_dogs/ (both SA and 3P)
https://www.mangago.zone/read-manga/beasts_of_desire/
https://www.mangago.zone/read-manga/profundis/ (SA and multiple 3Ps)
https://www.mangago.zone/read-manga/dark_fall/
https://www.mangago.zone/read-manga/jonah_and_chang_il/ (SA)
https://www.mangago.zone/read-manga/no_reason/ (this has a shit ton of rape...)
https://www.mangago.zone/read-manga/zetsubou_ni_nake/
Any bl that has threesome (or more) or rape in it...