Omake: Fractal Plane Refresher Course

Three weeks after the first series of incidents concerning Mu, life has settled down for Kazuki Arata. Along with his new friend, he has eased into a new life as an Awakener, special people with access to the other dimension and Armaments, weapons manifested from the soul.

Meanwhile, Miki Amagi finds herself in front of emotional crossroads. With a class trip to Tenka Peak looming over the horizon for the students of Fuyusato Academy, she tries to come to terms with her feelings for both her childhood friend and the transfer student.

A new threat looms in the shadows, and along with it lies more answers to Mu and Nullities. It is a school trip to remember for Kazuki and the group!

Highest rank: #25 in Japan-based