Eri Oka

Eri Oka (岡 絵里 Oka Eri) is the junior of Kei Asai and Misora Haruki in their high school (a year under Kei). Her ability is memory manipulation via eye contact; if she maintains eye contact with a person for 5 seconds, she can change the person's memories - inserting or deleting memories that she wants, thus making her able to 'seal' other people's abilities as she can make them forget how to use their abilities. Originally, she was known as Eri Fujikawa, but after meeting Kei, who helped her escape from her abusive father, she took her mother's maiden name. She changed herself after the event, proclaiming that she wants to be more powerful and capable than Kei leading to her being hostile against Kei, but not truly hating him. Her name is read the same as "okaeri" - a Japanese phrase meaning "Welcome home".

Power Limits

 * If she changes a persons memory a second time, the first memory change will be reverted.
 * She must maintain an eye contact for 5 consecutive seconds with her target in order for her ability to work.

Plot
The first time Eri appear in front of Kei Asai she states that she is a villain and that she just want to make Kei suffer. she says that she wants to obtain the "MacGuffin" and take over the powers of Sakurada with it.

Present
Eri has short red hair, red contact lenses and she dressed like a punk.

Past
Eri had collarbone-length black hair that was tied in twin-tails and black eyes.

History
Eri was previously known as Eri Fujiwara who an abusive father that her parents are separated.

Etymology
Her whole name is read the same as "okaeri" - a Japanese phrase meaning "Welcome home".
 * The name Eri means "picture, painting" (絵) (e) and "" (里) (ri).
 * Eri's surname Oka means "ridge, hill" (岡).