>>282980497
Riku's utterly fucked, she doesn't have the technical skills like Yuzuha nor does she have the genetic gifts or being inexplicably strong like Riko and Hina
If Riku doesn't want to be the perpetual jobber she'd have to start learning actual techniques instead of throwing rapid punches and hoping that works out. Riku is the Lihito of SiR, jobbing for the plot and winning when it doesn't matter