Try these:
https://www.mangago.me/read-manga/the_world_s_best_engineer/
https://www.mangago.me/read-manga/return_of_the_flowery_mountain_sect/
https://www.mangago.me/read-manga/the_thousand_faces_actor/
https://www.mangago.me/read-manga/the_return_of_the_crazy_demon/
https://www.mangago.me/read-manga/eternally_regressing_knight/
https://www.mangago.me/read-manga/the_world_after_the_fall/
https://www.mangago.me/read-manga/genius_archer_s_streaming/
https://www.mangago.me/read-manga/path_of_the_shaman/
Have fun!
Thank you!!
Also this, I recently read it and finished it. Its good:
https://www.mangago.me/read-manga/devil_returns_to_school_days/
hello!! i need recommendations similar to "how to live as a bootleg healer", "the player hides his past", "the newbie is too strong", "debut or die", "devil returns to school days", and "the heavenly demon can't live a normal life". absolutely NO romance or harems, please.