Trinity Seven: The Seven Magicians 6

 is the sixth volume of the Trinity Seven series written and illustrated by Kenji Saitō and Nao Akinari respectively. The volume was published on May 9, 2013 in Japan by Fujimi Shobo and slated for release in the US on August 23, 2016 by Yen Press.

Synopsis
The Demon Lord "Astral Trinity"--the prelude to the melody of destruction--has descended! Will Mira-chan and the others be able to get Arata back to normal?! And with her life on the line, Levi takes a last stand to protect the campus...!

Gripping battles of intensity await in Volume 6 of Trinity Seven!!

Chapters

 * 23. Game Master & Exodus
 * 24. Luminas & Satan's Rage
 * 25. Fianna Knights & Invidia Magus
 * 26. Sagas Arms & Sisters
 * 27. Anastasia & Revenge Start

Characters

 * Arata Kasuga
 * Astral Trinity
 * Ilia
 * Sora
 * Mira Yamana
 * Lilith Asami
 * Akio Fudo
 * Hijiri Kasuga
 * Arin Kannazuki
 * Levi Kazama
 * Master Biblia
 * Yui Kurata
 * Selina Sherlock
 * Lieselotte Sherlock

Introduction

 * Lugh

Cameo

 * Master Liber