The twentieth volume of the Ahiru no Sora manga.
Kuzuryū High finally get their first victory in the Monster Bash Tournament. Their second round opponent is The Gorillaz led by Chiba, Takahashi, Kojima, and a junior high student, Kouta Igarashi, who is as small as Sora. Can Kurumatani and his teammates overcome this obstacle as they face these unique adversaries?
- Chapter 148 - Hot Shot
- Chapter 149 - Final Dead Coaster
- Chapter 150 - Quadrophynia
- Chapter 151 - Midsummer Night's Dream
- Chapter 152 - Fight Over