All of the weak monsters have gone into hiding since a leader of the devil king's army has settled in near town. Kazuma, who had been focusing on improving his skills, is stuck at a standstill. With nothing else to do, Kazuma tags along with Megumin's training, which consists of unleashing explosion magic into an abandoned castle.

• Makoto Uezu
• Natsume Akatsuki
• Takaomi Kanasaki

• Kaito Ishikawa
• Kazuhiko Inoue
• Ai Kayano