Somebody recommended me obscure Peakkk

You want something obscure? A hidden gem?? A PEAK obscure hidden gem??? Then look no further my friend, for I am about to introduce you to the BEST new-gen DARK FANTASY, ACTION SHOUNEN MANGA of the 2020s, the peak of human literature, Kagurabachi! If you're looking for a story with a more slow-burning pacing and world-building, but masterfully-written plot, realistically written and interesting characters with great designs, GORGEOUS ART that evolves with each new chapter, MOVIE-LIKE fighting choreography, BEAUTIFUL panelling and composition and NO ROMANCE, ZERO FANSERVICE AND ABSOLUTELY NO SEXUALISATION, ESPECIALLY OF IT'S FEMALE CAST!! GO READ IT NOW!!!

https://www.mangago.me/read-manga/kagurabachi/ (PEAK FICTION)

Also these other shounen/seinen (mostly action) mangas are pretty good, too:
https://www.mangago.me/read-manga/gokurakugai/
https://www.mangago.me/read-manga/g_g_g/
https://www.mangago.me/read-manga/windbreaker/
https://www.mangago.me/read-manga/tokyo_aliens/
https://www.mangago.me/read-manga/gachiakuta/
https://www.mangago.me/read-manga/galaxias/
https://www.mangago.me/read-manga/ghost_fixers/
https://www.mangago.me/read-manga/centuria/
https://www.mangago.me/read-manga/psycho_eyes/
https://www.mangago.me/read-manga/chainsaw_man/
https://www.mangago.me/read-manga/ultimate_exorcist_kiyoshi/
https://www.mangago.me/read-manga/madan_no_ichi/
https://www.mangago.me/read-manga/tongari_boushi_no_atelier/
https://www.mangago.me/read-manga/magical_girl_and_narco_wars/
https://www.mangago.me/read-manga/the_marshal_king/
https://www.mangago.me/read-manga/kai_hen_wizards/
https://www.mangago.me/read-manga/ruby_on_the_cake_hitogui_majo_no_bansankai/

And these romance-as-a-subplot GLs are also great:
https://www.mangago.me/read-manga/isekai_picnic/
https://www.mangago.me/read-manga/shokei_shoujo_no_ikirumichi/
https://www.mangago.me/read-manga/moonlight_garden_kang_unnie/
https://www.mangago.me/read-manga/please_bully_me_miss_villainess/
https://www.mangago.me/read-manga/the_magical_revolution_of_the_reincarnated_princess_and_the_genius_young_lady/
https://www.mangago.me/read-manga/i_favor_the_villainess/
https://www.mangago.me/read-manga/kimi_ga_shinu_made_koi_wo_shitai/
https://www.mangago.me/read-manga/opium/
https://www.mangago.me/read-manga/maid_in_heaven_1/
https://www.mangago.me/read-manga/sherbet_above_the_sea_of_fog/
https://www.mangago.me/read-manga/muryoku_seijo_to_munou_oujo/
https://www.mangago.me/read-manga/mietemasu_yo_aizawa_san/
https://www.mangago.me/read-manga/roid/
https://www.mangago.me/read-manga/yoiko_no_shouzou/
https://www.mangago.me/read-manga/the_flower_princess_of_sylph/
https://www.mangago.me/read-manga/getting_to_know_grace/
https://www.mangago.me/read-manga/her_shimcheong/
https://www.mangago.me/read-manga/on_a_leash/
https://www.mangago.me/read-manga/qualia_the_purple/
https://www.mangago.me/read-manga/murcielago/
https://www.mangago.me/read-manga/shwd_pseudo/
https://www.mangago.me/read-manga/liar_satsuki_can_see_death/ (GL subtext only)
https://www.mangago.me/read-manga/do_you_think_someone_like_you_could_defeat_the_demon_lord/ (violence, gore, slavery, corrupt religious organisation, child abuse)

Kai-hen wizards