|Japanese Name||大島 （おおしま）|
|Manga Debut||Side Story: Rize|
Ooshima (大島, Ōshima) was a human that lived in the 11th ward. He was killed by Rize Kamishiro.
Ooshima is a young man with light-colored hair.
Rize Kamishiro attacked Ooshima. She proposed that she would let him go if he kept silent while she broke his fingers.
Later, his head is seen floating in blood in Rize's bathtub.