Ghost in the Shell if you can understand
Here are some with badass characters.
http://www.mangago.me/read-manga/9_banme_no_musashi/
http://www.mangago.me/read-manga/dendrobates/
http://www.mangago.me/read-manga/bloody_cross/
http://www.mangago.me/read-manga/black_haze/
http://www.mangago.me/read-manga/black_clover/
http://www.mangago.me/read-manga/kurosagi/
http://www.mangago.me/read-manga/until_death_do_us_part/
http://www.mangago.me/read-manga/ichi/
http://www.mangago.me/read-manga/gangsta/
http://www.mangago.me/read-manga/berserk/
http://www.mangago.me/read-manga/onepunch_man/
http://www.mangago.me/read-manga/shut_hell/
http://www.mangago.me/read-manga/apocalypse_no_toride/
http://www.mangago.me/read-manga/the_breaker/
http://www.mangago.me/read-manga/golden_kamui/
http://www.mangago.me/read-manga/one_outs/
http://www.mangago.me/read-manga/holyland/
http://www.mangago.me/read-manga/kongou_banchou/
Any manga rec with action, bad ass or zero to hero characters, and a good plot? Like Tokyo ghoul, Boku no hero academia, smokin parade, deadman wonderland?
Good art would be great too but I can adjust to anything if the story is good