Kushiro Katabira

Kushiro Katabira (釧路帷子) is a minor character in the Toaru Kagaku no Railgun sidestories. She is mentioned as a Level 4 Power User and makes her first appearance in the anime.

Background
She is a level 4 power user, however she used the Level Upper for reasons unknown. She was eventually rendered into a comatose state because of her use of the Level Upper.

Appearance
She has long black hair but her most striking feature is her sanpaku eyes.

Abilities
Her ability is, which is said to be similar to Kaitabi Hatsuya's Graviton ability. She can probably make bombs out of aluminum items just like Hatsuya.

The Level Upper Incidents
She is first mentioned by Shirai Kuroko as the most likely suspect in the recent graviton bombings going around the city. However during this time she is already in a coma for some time giving her an alibi.

Katabira officially appears in episode 14 of the anime, where she joins other Level Upper users in a special class, here she seems to prefer to be alone.