can i get manga recommendations not manhwa but MANGA i prefer if it was action/adventure w...

Tokyo revenger, maybe?

Here you go! There’s barely any romance in all of these.
https://www.mangago.me/read-manga/mashle_magic_and_muscles/
https://www.mangago.me/read-manga/kaiju_no_8/
https://www.mangago.me/read-manga/spy_x_family/ (More on the comedy rather than action but a must read!)
https://www.mangago.me/read-manga/shuumatsu_no_laughter/
https://www.mangago.me/read-manga/kemono_jihen/
https://www.mangago.me/read-manga/tougen_anki/
https://www.mangago.me/read-manga/isekai_apocalypse_mynoghra_the_conquest_of_the_world_starts_with_the_civilization_of_ruin/

On psychological side/gory action:
https://www.mangago.me/read-manga/from_the_red_fog/
https://www.mangago.me/read-manga/the_hero_who_seeks_revenge_shall_exterminate_with_darkness/

Mystery (one of my favs):
https://www.mangago.me/read-manga/yuukoku_no_moriarty/
https://www.mangago.me/read-manga/tomodachi_game/

https://www.mangago.me/read-manga/yakuza_reincarnation/
https://www.mangago.me/read-manga/shuumatsu_no_laughter/
https://www.mangago.me/read-manga/claymore/
https://www.mangago.me/read-manga/akumetsu/
https://www.mangago.me/read-manga/until_death_do_us_part/
https://www.mangago.me/read-manga/chainsaw_man/