Anyone who can recommend revenge ones? Like real evil revenge not give up revenge half way...

i have the most sinister revenge story but its not ethical in the slightest.

What do u mean?

https://www.mangago.me/read-manga/the_perfect_relationship/

I totally get what u mean now

https://www.mangago.me/read-manga/ijimeru_aitsu_ga_waruinoka_ijimerareta_boku_ga_waruinoka/
https://www.mangago.me/read-manga/revenge_is_ours/
https://www.mangago.me/read-manga/cheating_men_must_die/

Enjoy!