Daijirou reflects on his past with Masato, as the two prepare to settle their grudge on the Buddyfight stage. Meanwhile, the Linkdragon Order wants to raise the stakes of the match.

Crime doesn’t pay and the punishment doesn’t always fit the crime — a lesson Natsuo experiences firsthand after ‘borrowing’ a book from the library.

Origami makes an unexpected decision that shakes things up. While Shido runs off to investigate, a spatial quake alarm lands the others in a special kind of trouble.

Discussions for the escape plan continue, and Emma introduces Ray and Norman to someone. Meanwhile, Don and Gilda take a dangerous risk.

The mysterious girl that showed up out of nowhere was actually Filo. She's a filolial queen with an advanced transformation ability, and she can even take human form thanks to it. However, her clothes get ripped every time she transforms, meaning Naofumi has to get her some magic clothes if he doesn't want to go broke. The party leaves on a new adventure to gather the materials required.

After Aultcray reluctantly offers Naofumi a paltry reward, he heads to the slave merchant to redo the slave crest as per Raphtalia's wishes. He also buys a monster egg there, which hatches a few days later and gives him a new party member. Meanwhile, Myne shows up in Lute Village, where they're staying.

The Wave is gone, but Naofumi's relief is short-lived as Motoyasu challenges him to a duel in the middle of the celebratory banquet held in Melromarc Castle. Motoyasu insists that owning a slave is unbecoming for a hero and that Naofumi free Raphtalia at once.

Naofumi has obtained a whole load of abilities and skills, and his teamwork with Raphtalia is reaching perfection, too. To prepare for the incoming Wave, he upgrades their equipment and heads to the dragon hourglass to find out exactly when it will arrive. But there, he runs into Motoyasu and the other heroes once again.