ACDB

MyAnimeList	https://myanimelist.net/anime/176
AniDB	https://anidb.net/anime/958

Examples

https://www.mangaupdates.com/series.html?id=14444
https://www.anime-planet.com/manga/kingdom
https://anilist.co/manga/46765
https://kitsu.io/manga/3480
https://myanimelist.net/manga/16765
https://vndb.org/v10608
https://www.novelupdates.com/series/kuma-kuma-kuma-bear
https://mangadex.org/title/0e017a08-835a-4cbe-ba63-576d5010a5a0/kuma-kuma-kuma-bear
https://anidb.net/anime/222