I actually have a list but none of them are really extreme. It’s super rare for someone to write an extreme hate to love without adding any abuse
https://www.mangago.me/home/mangalist/1898068/?filter=&page=1
These are the only good enemies to lovers bl that comes to my mind
https://www.mangago.me/read-manga/nekama_punch/
https://www.mangago.me/read-manga/cloud_1/
https://www.mangago.me/read-manga/cosmic_boy/
https://www.mangago.me/read-manga/the_king_of_home_cooking/
https://www.mangago.me/read-manga/madman_combo/
https://www.mangago.me/read-manga/park_hanhoo_s_manager/
Enemies to lovers BL manga without abusive shit
But like, extreme hate and enemies
Better if it's a slow burn