魔法使いの見た夢

At a young age, Yuu Kisaragi received magical powers from a mysterious old man.
He longed to use them to defeat evil, but in the end, he was never given the opportunity.

Cut to the present.
Yuu is living as a perfectly ordinary young guy, until one day he rescues a beautiful girl.
Her name is Michaela, and she is a witch with a sorrowful fate.