Hayato joins the Little Garden, a school on a city-ship designed to house an entire population. It's his first day and he's still getting a lot of attention due to his high Hundred score, but then he ends up in a fight with the student council president!

Hayato and Claire begin their duel, but Hayato doesn't have much experience. Claire allows him some advantages and vows not to use her full-body armaments. But then Hayato changes in the middle of the fight in a surprising way.

Hayato has to fight the Savage on the Zwei Islands, despite not having any experience. Claire, Liddy, and Erica show Hayato and Emile the ropes, but an unknown type appears and makes things difficult.

Hayato is chosen for a special mission. He's going to be the bodyguard for the famous idol, Sakura Kirishima, but events start to unfold in the shadows. Just what will his meeting with Sakura reveal?

Hayato has a small break from his bodyguard duties, and chooses to spend his time off with Emilia. Meanwhile, Sakura, the girl Hayato is supposed to protect, disappears from her hotel room.

Hayato and Sakura are attacked at the Zwei Grand Canyon. The two of them use their hundreds to try to fight back with support from their friends from the Little Garden. But then three unknown slayers with unknown intentions arrive.