The forth volume of the Ahiru no Sora manga.
As Kenji risks being permanently expelled from Kuzuryū High, despite their personal reluctance, Sora and the others are mobilizing so that he can stay and join the team, which is in dire need of his talent, skills and experience. Sora also meets Nao, a young girl as clumsy as she is passionate about basketball. She offers the boys to test their skills in a friendly match against the girls' team.
- Chapter 21 - Tobi And The Duck
- Chapter 22 - The Bad Guys Give Up
- Chapter 23 - Tobi, A Ball and A Friends Pain
- Chapter 24 - To A Distant Height
- Chapter 25 - A Tiny Girl
- Chapter 26 - A Man's Willpower and A Women's Pride
- Chapter 27 - The Weakness of Toby and Shorty
- Chapter 28 - Team