Kusogaki (クソガキ,Kusogaki?) 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,Ryoka?) 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.