Hirumi Hishigata
菱形蛭魅
A student of Seiin High School and Mikihiko's younger sister. She collaborated in her brother's research as a test subject, and became friends with Esther. She lost her life in an accident during the research work.
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A Certain Scientific Accelerator
Supporting (Role) TV -
A Certain Scientific Accelerator: Sally Forth, Mr. Accel! A Madcap Onslaught
Supporting (Role) SPECIAL
Ayumi Mano
Japanese