Kusogaki (クソガキ?) is a member of Majisuka Jyogakuen's Team Hinabe and a member of Katsuzetsu's Rappapa. Her jersey has a nametag with Ryoka (涼花?) written on it. She was given the Genji Name Ankou (あんこう monkfish?) in Cabasuka Gakuen in which her surname was also revealed to be Oshima. She has a younger sister that looks like her called Uuchin.