Mahiru is a main character in "Seraph of the End: Guren Ichinose: Catastrophe at Sixteen" and Shinoa's Half-Sister.
Age: 16 (Catastrophe), would be 23 by now
Height: 160 cm (5'3")
Birthday: July 26, 1996
Blood type: AB
Mahiru was from the prestigious Hīragi Clan, and next in line to become head of the family; however, as a namanari, she eventually turned into a demon, and ended up being sealed within Guren's sword, becoming a cursed gear called Mahiru-no-yo.