https://www.mangago.me/read-manga/sakamoto_days/
https://www.mangago.me/read-manga/gachiakuta/
https://www.mangago.me/read-manga/nine_peaks/
https://www.mangago.me/read-manga/rooster_fighter/
https://www.mangago.me/read-manga/windbreaker/
https://www.mangago.me/read-manga/marriage_toxin/
https://www.mangago.me/read-manga/jigokuraku_kaku_yuuji/
https://www.mangago.me/read-manga/phantom_busters/
https://www.mangago.me/read-manga/witchriv/
https://www.mangago.me/read-manga/yomi_no_tsugai/
https://www.mangago.me/read-manga/aftergod/
https://www.mangago.me/read-manga/centuria/
https://www.mangago.me/read-manga/apocalypse_no_toride/
https://www.mangago.me/read-manga/blood_night_market/
https://www.mangago.me/read-manga/kaiju_no_8/
https://www.mangago.me/read-manga/sensou_kyoushitsu/
https://www.mangago.me/read-manga/tougen_anki/
https://www.mangago.me/read-manga/youchien_wars/
https://www.mangago.me/read-manga/tower_dungeon/
https://www.mangago.me/read-manga/galaxias/
https://www.mangago.me/read-manga/choujin_x/
https://www.mangago.me/read-manga/hero_organization/
https://www.mangago.me/read-manga/tougen_anki/
https://www.mangago.me/read-manga/red_blue/
https://www.mangago.me/read-manga/batuque/
https://www.mangago.me/read-manga/youchien_wars/
https://www.mangago.me/read-manga/sengoku_komachi_kurou_tan/
https://www.mangago.me/read-manga/tomodachi_game/
https://www.mangago.me/read-manga/rainbow/
https://www.mangago.me/read-manga/kagurabachi/
https://www.mangago.me/read-manga/kamonohashi_ron_no_kindan_suiri/
https://www.mangago.me/read-manga/gangsta/
https://www.mangago.me/read-manga/karneval/
https://www.mangago.me/read-manga/kekkai_sensen_mafuugai_kess/
https://www.mangago.me/read-manga/gunka_no_baltzar/
https://www.mangago.me/read-manga/bouncer/
https://www.mangago.me/read-manga/aftergod/
https://www.mangago.me/read-manga/kaika_apartment/
https://www.mangago.me/read-manga/centuria/
https://www.mangago.me/read-manga/soloist_of_the_prison/
https://www.mangago.me/read-manga/saiyuki/
https://www.mangago.me/read-manga/hellsing/
https://www.mangago.me/read-manga/kyokutou_chimeratica/
https://www.mangago.me/read-manga/dai_dark/
https://www.mangago.me/read-manga/mairimashita_iruma_kun_mafia_au/
https://www.mangago.me/read-manga/mononogatari/
https://www.mangago.me/read-manga/shoukoku_no_altair/
https://www.mangago.me/read-manga/kemono_jihen/
https://www.mangago.me/read-manga/dead_mount_death_play/
https://www.mangago.me/read-manga/gachiakuta/
Have you read any of these? (≧∀≦)
Can anyone recommend any action MANGA without the plot turning into a harem.