Natsuo reveals her true colors when she humiliates one-time rival Haruka Kirido at an amateur grappling competition. Unable to deny her monstrous talent any longer, Karin reluctantly allows Natsuo's entry into the G-Girl Rookie Selection Tournament, where she hopes to finally lay her gloves on that hateful Yuzuko Mawatari. After a month of hard training, the only hurdles that remain between her and Yuzuko on tournament day are the elite competitors in her bracket. Among them, a wrestling specialist who is the protégé of the woman once hailed as the strongest in the world, and a certain Sanae Sawamura…