Maki Genryusai is one of the main heroes in the series, Final Fight. She is the daughter of Genryusai and Rena's younger sister. She is a member of the Bushin-clan along with Guy. She also was a delinquent and the leader of a biker gang in the past.
Sometime after their defeat in the past, the group called Mad Gear are back on a worldwide scale under Retu's leadership. To take revenge on Guy, the Mad Gear gang starts with kidnapping both Genryusai and Rena - Maki's father and sister. With Guy (Rena's fiancé and Genryusai's student) off training and unable to help, Maki enlists the help of Haggar and Carlos. The three embark on a global search to look for her family's whereabouts and save them while dissolving all of Mad Gear's groups during their journey.
When Maki and the rest arrived in Italy, Maki fought against Rolento. After defeat, Rolento told the trio that her family was being held hostage by Retu in Japan. Maki rushed back to Japan to rescue her family, but are have to beat Retu first. During the final battle with the new leader, Maki fought to defeat him and did to the point that he was kicked with so much strength that one powerful blow sent him flying out of the window. With Retu apparently dead and Mad Gear once again dissolved, Maki finally saved her family.