https://www.mangago.zone/read-manga/genwaku_no_kodou/
https://www.mangago.zone/read-manga/omniscient_reader_s_viewpoint/
https://www.mangago.zone/read-manga/heaven_can_t_live_an_ordinary_life/
https://www.mangago.zone/read-manga/resurrection_of_the_catastrophic_hero/
https://www.mangago.zone/read-manga/chronicles_of_the_demon_faction/
https://www.mangago.zone/read-manga/maxed_out_leveling/
https://www.mangago.zone/read-manga/reincarnation_of_the_murim_clan_s_former_ranker/
https://www.mangago.zone/read-manga/han_dae_sung_returned_from_hell/
Hopefully there is something of interest on this list or help you discover those that interest you. Happy reading & hunting!!
Fantasy (reincarnation, regression, transmigration, alternate universe, etc) with a cool and composed MC?
TIA! (⌒▽⌒)