Finished

Mahoutsukai Sally

FantasyMahou Shoujo

Story

Sally is the witch princess of the Magic Kingdom who longs to visit the mortal realm. One day, by mistake, Sally teleports there and uses her magic to fend off a couple of burglars menacing two schoolgirls. Immediately befriended by her new acquaintances—tomboyish Yoshiko Hanamura and girly Sumire Kasugano—Sally decides to stay on Earth indefinitely, leading to mischief.

Synopsis via AniList (English).