After escaping the grasps of Xal's chaos, Sana and her friends returned back to Azumore— with the news of the Kionhou sisters gone forever.

At a final plead, upon the awakening of Minatozaki Sana, she set her verge to return the Kionhous in the world she normally known.

However, the gang had met with three look-a-likes of the Kionhou sisters who falls under the names Kimsohou. Yuzu, Hyun and Youngchae are three popular A-class wizards of Divine Academy who completely has no reminiscent memories of the girls and are completely different people.

Sana has the urge to capture Yuzu's attention and make her remember the memories they had sought. However, something is lurking in the dark abyss of Azumore. A secret is yet to unfold as the mystery continued to lay within this parallel world.