https://www.mangago.zone/read-manga/unknown_code/
https://www.mangago.zone/read-manga/the_devil_s_boy/ (this one is more action but i think it fits)
Gosu
i read Ajin and Death Mount Death Play recently and easily became one of my faves; both had great art, plot, and pacing ^^ they also hav adaptations alr but i think ik what ym cuz reading them was way better imo
Most of these fit into the realm of seinen but I’ll recommend them anyway
https://www.mangago.zone/read-manga/magi/
https://www.mangago.zone/read-manga/deadman_wonderland/
https://www.mangago.zone/read-manga/jigokuraku_kaku_yuuji/
https://www.mangago.zone/read-manga/gantz/
any completed shounen mangas ?? even those with anime adaptations already, i just want to like . . experience it raw, iykwim BUT ANYWAY shounen pls ^^