I know this is rare but req me pls

Female MC, no romance:
https://www.mangago.zone/read-manga/azumi/
https://www.mangago.zone/read-manga/ichi/
https://www.mangago.zone/read-manga/st_r_strike_it_rich/
https://www.mangago.zone/read-manga/tongari_boushi_no_atelier/
https://www.mangago.zone/read-manga/claymore/
https://www.mangago.zone/read-manga/hero_killer_1/
https://www.mangago.zone/read-manga/burning_effect/
https://www.mangago.zone/read-manga/delivery_knight/

Male MC, no romance:
https://www.mangago.zone/read-manga/kagurabachi/ (PEAK FICTION)
https://www.mangago.zone/read-manga/windbreaker/
https://www.mangago.zone/read-manga/tokyo_aliens/
https://www.mangago.zone/read-manga/gachiakuta/
https://www.mangago.zone/read-manga/galaxias/
https://www.mangago.zone/read-manga/centuria/
https://www.mangago.zone/read-manga/psycho_eyes/
https://www.mangago.zone/read-manga/chainsaw_man/
https://www.mangago.zone/read-manga/ultimate_exorcist_kiyoshi/
https://www.mangago.zone/read-manga/madan_no_ichi/
https://www.mangago.zone/read-manga/the_marshal_king/

Dual male & female MCs, no romance:
https://www.mangago.zone/read-manga/magical_girl_and_narco_wars/
https://www.mangago.zone/read-manga/drama_queen/
https://www.mangago.zone/read-manga/gokurakugai/

With Eien
Kageki Shoujo
BL Metamorphosis
Magic Knight Rayearth
Sensor
Prince Freya
Sadako at the World's End
Weeds Be Ambitious!

This was the only one that came to mind about it a female MC and absolutely no romance:
https://www.mangago.zone/read-manga/cat_gamer/

Male MC and no romance I feel is a lil easier to find:
https://www.mangago.zone/read-manga/kim_oh_jin_s_adventures_with_strange_animals/
https://www.mangago.zone/read-manga/hello_veterinarian/
https://www.mangago.zone/read-manga/ojisama_to_neko/
https://www.mangago.zone/read-manga/kami_to_yobareta_kyuuketsuki/