https://www.mangago.me/read-manga/trash_of_the_count_s_family/
https://www.mangago.me/read-manga/botsuraku_youtei_nanode_kajishokunin_wo_mezasu/
https://www.mangago.me/read-manga/doctor_s_rebirth/
https://www.mangago.me/read-manga/magical_explorer_eroge_no_yuujin_kyara_ni_tensei_shitakedo_game_chishiki_tsukatte_jiyuu_ni_ikiru/
https://www.mangago.me/read-manga/otome_game_no_mobu_desura_naindaga/
https://www.mangago.me/read-manga/the_world_of_otome_games_is_tough_for_mobs/
Anyone know some transmigration/time travelling fantasy royalty manhwas where the MC is a boy?