A Loli Succubus Falls from the Sky and Gets Tricked into Becoming My Familiar

(Urban) (Everyday Life) (Magic) (Fantasy) A second before the Demon King's castle is about to crumble, the magic circle finally activates. “Huh? Where am I? Oh no, oh no, my magic's gone wrong again.” Looking at the unfamiliar place before her, Dorothy can only feel a headache coming on. Tall buildings stretch everywhere, and mysterious creatures dart along the streets. This... “How am I supposed to get back?” A helpless sigh echoes from a hidden corner...