+ Does your xeno burn with passion? +

Oz is the weakest link. Every cybermancer fights to protect humanity from the looming threat of heaven, using the power of Blood Spine. But Oz? He can't stop time, use souls like lasers, or make gravity teeth, only open portals, and the whole academy sees him as useless to the cause. Except for one man, Mateo, who sees the true potential of Oz's spine, which is put to the test when the forces of heaven return to finish what they started. However, deep within Oz's soul is the power once thought to be lost to time, the spine of legends: BLACK ZERO.

Blood Spine: Black Chapter is a biopunk BL manga, following two outcasts joining forces to stop an empire of eldritch angels, as they grow closer through every battle. The time has come to end heaven's dark cycle of despair.