https://www.mangago.zone/read-manga/hokuhokusei_ni_kumo_to_ike/
https://www.mangago.zone/read-manga/kuutei_dragons/
https://www.mangago.zone/read-manga/majo_no_eden/
https://www.mangago.zone/read-manga/hotel_mets_peura_e_youkoso/
https://www.mangago.zone/read-manga/akanesasu_zakuro_no_miyako/
https://www.mangago.zone/read-manga/kaika_apartment/
https://www.mangago.zone/read-manga/hakumei_to_mikochi/
https://www.mangago.zone/read-manga/quartz_no_oukoku/
https://www.mangago.zone/read-manga/emma/
https://www.mangago.zone/read-manga/akanesasu_zakuro_no_miyako/
https://www.mangago.zone/read-manga/tongari_boushi_no_atelier/
These are pretty similar imo. I've heard Anna Konmeme is a lot like Otoyomegatari but it hasn't been translated yet.
Tys ^^
Mangas who have the same vibes as Fushigi no Kuni no Bird, Dungeon meshi, Arte and Otoyomegatari