Bartolomeo recounts the formation of the Straw Hats, sharing their moving story with the rest of his crew! Meanwhile, the mysterious island of Zou approaches in the distance, obscured by fog. But when the haze clears, no one is expecting what they see!

Just as scientific genius Sousuke Wakamizu has prepared everything to open the Stride Gate, Shinonome appears with his usual mischievous smirk and a desire to mix things up.

Now on the run from the Federation Forces, the Nahel Argama has taken the desperate step of forming a joint front with the Sleeves. Though his crew resist the idea, Otto orders them to allow Frontal aboard the ship, in an attempt to learn his true intentions. Mineva likewise asks Frontal what he would do if he obtained the Box, and he reveals his idea of forming a Side Co-Prosperity Sphere that would strengthen the economic ties between the Moon and the Sides, excluding Earth and weakening the Federation. The disappointed Mineva predicts that this would result in further tragedies, but nonetheless she tells Frontal that the final coordinates for Laplace's Box are at Industrial 7's Magallanica. Meanwhile, Riddhe has received the Banshee Norn from Alberto, and he sets off in pursuit of the Unicorn Gundam.

Now on the run from the Federation Forces, the Nahel Argama has taken the desperate step of forming a joint front with the Sleeves. Though his crew resist the idea, Otto orders them to allow Frontal aboard the ship, in an attempt to learn his true intentions. Mineva likewise asks Frontal what he would do if he obtained the Box, and he reveals his idea of forming a Side Co-Prosperity Sphere that would strengthen the economic ties between the Moon and the Sides, excluding Earth and weakening the Federation. The disappointed Mineva predicts that this would result in further tragedies, but nonetheless she tells Frontal that the final coordinates for Laplace's Box are at Industrial 7's Magallanica. Meanwhile, Riddhe has received the Banshee Norn from Alberto, and he sets off in pursuit of the Unicorn Gundam.

Tsukushi is helping with the training of the third-year, Kasahara, who decided to quit after the Interhigh. As line-up for the Interhigh is announced, the first-year, Kazama, and the roster slowly fills up. Finally, one last pick remains... And now, finally the first match of the Interhigh is about to begin!

The Japan Tournament begins. The Buddyfighters compete to be the first to reach 100 wins and qualify for the World Championship. Meanwhile, Tasuku fights to protect Bal and uncover Doctor Gara's plans.