Based on

Movies like Slam Dunk 2: National Tournement (1994)

Set during the Inter High Championships, Shohoku take on Tsukubu, one of this year's dark horses. It's a clash of acquaintances as Anzai will face his former student which is now the coach of Tsukubu, while Akagi & Kogure meet Godai their former classmate and Tsukubu's captain. Finally Sakuragi is irked by the presence of Nango, Tsukubu's center, who vies for Haruko's attention.