Extra Game takes place after the events of the Winter Cup, and features America's Team Jabberwock insulting Japan's basketball skills after beating Japan's Team Strky. Because of this insult, an enraged Kagetora proposed a revenge match, which they accepted. Kagetora then assembles a dream team composed of the Generation of Miracles, Kuroko, Kagami, and the best of Japanese high school basketball under the name "Vorpal Swords" in hopes of beating Team Jabberwock and reclaiming the pride of Japanese basketball.
[Source: Anime News Network]