How Heavy Are the Dumbbells You Lift? #20

Plot

Imagawa Yoshimoto, now leader of the Space-Time Legion, warns Hibiki and Ayaka that the future is in jeopardy—and it’s all their fault! To save the future, they must go back in time, but what awaits them there? Meanwhile, a battle breaks out between Brazilian jiu-jitsu master Mia and…Zina?! Don’t worry, everything will be all right thanks to the power of muscles!