With the Interhigh Championship finally over, Seirin's basketball team refocuses their efforts, training harder than ever to get the chance to participate in the Winter Cup. Both Kuroko and Kagami see old friends walk back into their lives, providing a challenge both on and off the court. As new skills are developed and new alliances created, enemies from various teams—giants of high school basketball such as Yousen, Shuutoku and Touou—stand in the way of Seirin's steadfast attempts to get to the top. All of these schools prove to be formidable foes whose abilities progress exponentially, while Kuroko struggles to find a balance between his resolve to play as part of a team and his desire to win. With old wounds reopening, new challenges to face on the court, and a new set of foes—the "Uncrowned Kings"—vowing to defeat the new hopefuls, will Seirin ever be able to achieve their dream of beating the Generation of Miracles? [Written by MAL Rewrite]

Former ace runner of Sendai Josei High School, Kakeru Kurahara is chased away from a convenience store for shoplifting. Shaking off his pursuer, he runs into Haiji Kiyose, another student from his university. Haiji is impressed by Kakeru's agility and persuades him to live in Chikusei-sou, the run-down apartment where Haiji resides along with eight other students. Having lost his entire apartment deposit at a mahjong parlor, Kakeru accepts the offer reluctantly. However, Haiji reveals a secret during Kakeru's welcoming party: the apartment is actually the dormitory of the Kansei University Track Club. He unveils his ultimate goal of participating in the Hakone Ekiden—one of the most prominent university marathon relay races in Japan. Unfortunately, all the residents apart from Haiji and Kakeru are complete running novices. Worse still, none of the inhabitants are even remotely interested in being involved with Haiji's ridiculous plan! With only months before the deadline, will the fourth-year student be able to convince them otherwise and realize his elusive dream of running in the Hakone Ekiden? [Written by MAL Rewrite]

Sakamichi Onoda is a cheerful otaku looking to join his new school's anime club, eager to finally make some friends. Unfortunately, the club has been disbanded and he takes it upon himself to revive it by finding students who are willing to join. Without much luck, Onoda decides to make a round trip to Akihabara on his old, bulky city bicycle, a weekly 90-kilometer ride he has been completing since fourth grade. This is when he meets fellow first year student, Shunsuke Imaizumi, a determined cyclist who is using the school's steep incline for practice. Surprised by Onoda's ability to climb the hill with his specific type of bicycle, Imaizumi challenges him to a race, with the proposition of joining the anime club should Onoda win. And thus begins the young boy's first foray into the world of high school bicycle racing! [Written by MAL Rewrite]