Yūichirō's stepmother

Yūichirō's mother (優一郎の母) is the mother of Yūichirō Hyakuya, later revealed as his step-mother, in Seraph of the End. She alone appears in the Seraph of the End: Guren Ichinose: Catastrophe at Sixteen manga. Yu's parents are visualized together in a nightmare he experiences.

Appearance
A pretty Japanese woman with long dark green hair, who appears to be her mid-twenties. When she screams about killing Yu, her face is twisted and her hair disheveled. She is seen wearing a sweater.

Personality
Believing that her step-son is a demon that should die, she is greatly alarmed that he is not dead and panics in an attempt to carry this murder out. She pours gasoline on herself and attempts to light herself on fire while in front of news crews and firefighters where she does not appear to be mentally stable.

History
At some point she met Yu's father and took Yu as her son.

Events of 2012
The Amanes' apartment goes up in flames, and firefighters struggle to get it under control while newscasts swarm the area. The six o'clock news broadcasts the scene. As the apartment burns, she is outside calling Yuichiro while being held by a fire fighter. Telling him to let go of her, she states that Yu is still in there and for somebody give her a hand. The meaning behind her words is clear when she bluntly says to not put out the fire.

A firefighter struggles against her and asks for help, stating she has "some kind of crazy strength." She punches the firefighter in the jaw. They continue struggling as she screams. Separated, she pours a plastic bottle of gasoline onto her head with her left hand and begins flicking a lighter with her right hand. The spark does not catch and she cries Yu is a demon, a repeating that she has to kill him. As she fiddles with the lighter, she is struck in the face by a fire fighter. Knocked over, she reaches out while being restrained by three fire fighters.

When driving Yu to the orphanage, Saitō reveals that Mrs. Amane is his step-mother, but he does not tell Yūichirō.

Book 3
"Don’t put out the fire! He’s a demon! That boy is a demon! I have to kill him! I have to kill him today! Aiiieeeeeee!!"

- Yūichirō's mother about Yūichirō in the fire.

"He’s a demon! I have to kill him! I have to kill him!!"

- Yūichirō's mother about Yūichirō.