Ryoka Oshima (大島 涼花, Oshima Ryoka, born 21 October 1998 in Kanagawa Prefecture) is a Japanese actress and former singer.
[1][2][3][4] Oshima passed AKB48's 13th generation auditions on 9 September 2011.
In February 2014, during the AKB48 Group Shuffle, it was announced Oshima would be transferred to Team B.
In the group's general elections in 2014, Oshima ranked for the first time at 80th position.
On March 23, 2017 during AKB48 Team B's concert, it was announced that Ryoka would graduate from AKB48 soon.