World's End Blue Bird manga volume 3 features story and art by Anji Seina.

In this world, society is split in two: Twilight City, the slums, and Paradiso, a city of opulence and wealth. Guang, having taken up the role of sorcerer and ruler of this land, must face a secret his family has harbored for generations – that their forefather, Prometheus, holds the heart of all sorcerers and bestows on them a deadly curse. Refusing to let this stand, Guang takes Ray with him into the depths of Paradiso, in hopes that together they can find a solution for this cure, as well as a future for all.