New Trinity Seven spin-off based on Anastasia=L. Meanwhile, Arata AND the rest of Trinity Seven girls are training to go to Dante's Gate, Anastasia goes to Biblia Academy to investigate a strange event that is related to "The Demise".

A modern fantasy centering on a master who pierces through justice, and an ill-omened servant.

Story takes place in a world that is gradually decaying because of the approach of an "evil god" from another dimension. Seishirou Shikizaki meets Ajisai Misaki at a party before school starts, and the meeting feels predestined...