From Far Away(1991)

On her way home from school one day, Noriko is unexpectedly plunged into a strange and extraordinary fantasy world. Her troubles compound exponentially when she is rescued and befriended by a handsome young man by the name of Izark. He may be brave and courageous, but inside Izark lurks the darkest evil imaginable. And according to an ancient prophecy, Noriko possesses the power to unleash that evil. Now, inexorably bound together, these two unlikely allies must navigate a world both wondrous and hostile.

(Source: VIZ Media)

Note:
- Includes four extra chapters.
- Includes a sequel one-shot for "Onnanoko wa Yoyuu!" titled "Mata Ashita!" (また明日!)