Demon from Afar, Vol. 5 by Kaori Yuki

Backed into a corner with no way out, Sorath glimpses a fleeting glimmer of hope. But what does it hold for him......? At the Ziggurat, the giant broadcasting tower everyone has been talking about, Etsurou's true identity is revealed as......Garan?! Sorath is stunned by the reappearance of the best friend he thought he had killed...and by the traps Garan proceeds to set for him!! What will Sorath do when Garan's machinations break up his team?!