What if the hero who saved a fantasy world… came back to ours?

Izumi was once summoned to a magical realm in middle school, he wielded powerful magic, defeated the great evil, and saved an entire world. Then he was sent home—back to high school, back to math tests, back to a world without magic.

Now, years later, a mysterious girl named Alya appears, young, frightened, and the last of a divine race thought to be extinct. Izumi discovered that the walls between worlds are thinning… and magic is starting to bleed into Earth.

With his childhood friend Hana, the only person who knows the truth. Izumi must balance school life, raising a magical child, and uncovering the dark secrets of a group how are after Alya. As enemies emerge in both worlds and bonds of trust and love deepen, Izumi realizes that this time, the war between light and shadow isn’t just in another world.

It’s right at his doorstep.