Idk abt the wildest but this is something
The wildest sex?
Try reading boy meets girl
https://www.mangago.zone/read-manga/boy_meets_girl_1/
dawn of the dragon honestly
Sensei wa Nekketsu ga Areba Juubunda!
https://www.mangago.zone/read-manga/sensei_wa_nekketsu_ga_areba_juubunda/
Manager ni natte mo mondainai
https://www.mangago.zone/read-manga/manager_ni_natte_mo_mondainai/
Idk why it didn't include the link
dear door goes absolutely crazy sometimes
It’s so aggressive
Wildest sex scene in the world of yaoi