The Chaos Brigade has quieted down since their stunt in Kyoto so Issei and the others must now focus on other issues. After all, there are hero shows to act in, a school festival to prepare for, and the ever-looming Rating Game with Sairaorg...

After defeating Sally and Baro, Asta and Gauche suddenly end up having to face Licht, the leader of the Eye of the Midnight Sun. Licht's attacks are too fast for Asta to see, and he gets injured.

The Build Divers decide to participate in a Battle-Random mission in which the matchups are randomly determined. Their opponent turns out to be a force called Hyakki, which includes Do-ji, against whom Riku won his first victory, and Ogre, who gave him his first taste of defeat. Riku's heart pounds with anticipation at the idea of assessing his growth by taking on Ogre, using the strength he's accumulated through his previous experiences. Meanwhile, Do-ji's own heart burns with desire for revenge.

Subaru returned to the Tiramisu only to find the Assist Bot PAC2-AR in his room. Now this new arrival’s scheming puts Subaru in dire straits!

The ninjas make their way up Murakumo castle, but they're stopped by Neirichiou. He's still alive, and he wants them dead.

In the dark place where Aoi is locked up, the noise of rain and thunder reminds her of the day her mother left her. As she loses consciousness, she's rescued by the master; however, when she wakes up, it's already the royal couple's anniversary day.

Ace, Tamazo, and Garnet goes to the Water City to find Herriot and Morgan. They're relieved to see the two sisters seemingly doing well, enjoying a peaceful life hidden from the world. However, Garnet thinks there's still some awkwardness between them.