Hinako grew up in an orphanage and doesn't know her true family. Shortly before she enters high school, Hikaru approaches her and claims he is her twin brother. According to him, they are the children of a yakuza family leader and Hikaru wants Hinako to switch places with him and go to an all-boys school. The school is famous for harboring the worst delinquents of the nation, so Hinako has to fight for respect, love and power.
Kenka Banchou Otome -Girl Beats Boys- is based on a game sold by Spike Chunsoft Co., Ltd for PlayStation Vita called Kenka Banchou Otome. The game went on sale on 19 May 2016.