Trinity Seven: The Seven Magicians 9

 is the ninth volume of the Trinity Seven manga series, written by Kenji Saitō and illustrated by Nao Akinari. The volume was released on August 9, 2014 by Fujimi Shobo in Japan and scheduled for release on May 23, 2017 in the US by Yen Press.

Synopsis
Arata has obtained the power of Judecca, the Black Imperial Sword! But Abyss has a Demon Lord Weapon of his own--Caina, the Red Emperor Sword! As the clash between the two demons comes to an earth-shattering climax, will Arata be able to achieve victory and save Lilith?!

Chapters

 * 36. Aeshma & Malkuth
 * 37. Trinity Form & Server Down
 * 38. Manhunt & Eve of the Party
 * 39. School Festival & Sticks

Characters

 * Yui Kurata
 * Arin Kannazuki
 * Mira Yamana
 * Master Biblia
 * Levi Kazama
 * Arata Kasuga
 * Black Imperial Sword Judecca
 * Abyss Trinity
 * Lilith Asami
 * Akio Fudo
 * Sora
 * Ilia
 * Lieselotte Sherlock
 * Lugh
 * Selina Sherlock

Flashback

 * Hijiri Kasuga

Introduction

 * Anastasia-L