Erika Hiura

Erika Hiura is a character who first appears in Chapter 2 of The Night Beyond the Tricornered Window manga. She is a high school student noted as a mysterious individual who is suspected of casting curses.

Appearance
She has relatively short dark hair and large expressive eyes. Erika is seen wearing office related clothing such as a dark suit.

Tricornered Window Story
Erika checks something on her phone, and then approaches an elderly woman and simply informs her that she will die.

Father
She curses people upon her father's instruction.