A Magical Girlfriend, exotic girlfriend, supernatural lover, monster girlfriend, or nonhuman woman, is a female (or male, in rare cases) stock character often associated with romantic comedy anime and manga series, and is sometimes considered a genre of its own, or as the leading lady of the "fantastic romance" genre, which combines the fantasy and romance genres.
Magical girlfriends can be one or many in a single series (always attached to the male lead). Because of the tendency for rivals to appear even when there is one female lead and because of the unnatural gender balance among the cast, magical girlfriend comedies are often conflated with harem comedies. A good example of this conflation is 'Oh My Goddess!' which is one of the prototypical 'harem' titles" despite the short-lived nature of most of the romantic rivalries.
Magical girlfriends initially derived from the US television series Bewitched, which was dubbed for the Japanese market. Sally the Witch was the first anime series inspired by Bewitched, leading to the popularity of magical girls in Japanese anime.
These are all some of my favorite fantasy Shoujo anime! There’s a lot of fantasy shounen but it’s rare to find people with a huge list of Shoujo fantasy and if they do have one it tends to be a lot of the same stuff. Here’s mine. I hope you find something new to watch. If not, I’m sorry for not being helpful enough. I’ll also be adding donghua (Chinese anime) in here because a lot of them are really worth watching. There’s one anime on here that airs in the fall but I’ve read and am obsessed with the source material and the trailers look amazing so I feel comfortable putting it on here. They are in rank from my highest score to lowest. FYI just because something might be ranked low doesn’t mean that it’s bad, it’s in my favorites list after all. Also, just because these are Shoujo anime doesn’t necessarily mean they all are romances. Enjoy!
Slice of life stories with a supernatural twist, with characters usually falling into incidental perils thanks to supernatural or magical significant others or family members who bring all kinds of magical hi-jinx into the protagonist's lives.
Anime series that covers all of its original source they're based on, with some notes.
Part 1: https://myanimelist.net/stacks/16812
Part 2: https://myanimelist.net/stacks/19939
Part 3: https://myanimelist.net/stacks/20122
Part 5: https://myanimelist.net/stacks/20709
Part 6: https://myanimelist.net/stacks/20940
Part 7: https://myanimelist.net/stacks/21451
Part 8: https://myanimelist.net/stacks/21523