I'm looking for fantasy or supernatural mangas that have werewolves, vampires, demons, devils, etc with comedy, romance and with smut but without smut is fine too. thanks.

rosario + vampire? or was it x? cant remember

can't think of any, put put all of that through the genre search and see what happens...

Aww, soulmate!

Well, even if not all titles are comedy+romance, they have at least one of it...and a bit of the other. I don't think there is a manga with all the things you want it to have 🤢

vampires:
A Thousand Years of Snow
Vampire Girl
Midnight Secretary
Black Blood Brothers
Meine Liebe
Vampire Kisses: Blood Relatives

demons:
Ga-rei
Black Bird <- shoujo, look out 🤣
Houshin Engi
Demon Sacred

werewolves:
Men Are Wolves?
Three Wolves Mountain
Kindan no Koi de Ikou
Zoku - Kindan no Koi wo Shiyou
Kindan no Koi wo Shiyou

That's all I can think of now, I'll add more later, if you want 😀

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Still the [color=red]bad[/color] cop.

Superior
Vampire Game
Her Majesty's Dog

The Devil Within
Akuma to Doruchie
Vampire Knight
Love Monster
Kyuuketsuki to Boku
Kyou Kara Maou <== maous are demons, right? (BL)
Kamisama Shinkaron <== has a god in it... (BL)
Harlem Beat wa Yoake made <== various monsters (BL)

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Midnight Secretary: Girl works as a secretary for a vampire. Sounds like a hentai, but it's not. <<
Witch Class: Apprentice witch casts werewolf curse on unlucky guy. Cute and funny.

vulgar ghost daydream about an albino domantrix and exorcist who is more embarrassed about her exorist job. not as smutty as it sounds and crazy cool characters

-Princess Resurrection
-Alichino
-Shrine of the Morning Mist
-Sengoku Tsukiyo
-Chrono Crusade
-King of Hell
-Dragon Eye
-Cantarella
-Lagoon Engine
-Ghost Hunt
-After School Nightmare
-Mushishi
-Angel Sanctuary
-Land of the Blindfolded
-Raiden-18

Edit: Opps. I said Hana Kimi...but i actually ment Land of the Blindfolded (i was really tired when i made this list). Problem fixed 🙂

Yurara

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I 2nd superior

Your mom goes to college.

1. Superior
2. Gintama
3. The bride of the water god
4. Chevalier D'eon

Anti-Gravity Boy is fantasy, shoujo, and has romance.. :3 But there aren't any of those supernatural beings.. it's a good manga though. ^^
Watashi no Ookami-san is pretty cute too.. it involves a "Demon Lord," so I guess it's what you're looking for.. xDD

Hm... Love Monster is definitely one of them.. and maybe Black Bird. :]