The trip to the grand hotel complex Samsara opened old scars and created new wounds. Even after losing their most reliable ally and friend, Kazuki and the rest of the team have little time to regroup as Euphoria begins to move-closing upon the identity of the Magna Arbiter's host.

On his way back, Kazuki sees himself in yet another complication. Finding a dejected Sana on the streets, he and Hikari offer her a respite in their home, and mysteries unravel as the two's solace slowly uncovers the greatest secret within her fragile heart.

Hikari Arata. Sana Kurashiki.

The two girls' destinies entwine with the world of Awakeners and Nullities in the sixth volume of Fractal Plane.