The first part of a two-part movie. The story is a recap of the TV series. Mirai Kuriyama is the sole survivor of a clan of Spirit World warriors with the power to employ their blood as weapons. As such, Mirai is tasked with hunting down and killing "youmu"—creatures said to be the manifestation of negative human emotions. One day, while deep in thought on the school roof, Mirai comes across Akihito Kanbara, a rare half-breed of youmu in human form. In a panicked state, she plunges her blood saber into him only to realize that he's an immortal being. From then on, the two form an impromptu friendship that revolves around Mirai constantly trying to kill Akihito, in an effort to boost her own wavering confidence as a Spirit World warrior. Eventually, Akihito also manages to convince her to join the Literary Club, which houses two other powerful Spirit World warriors, Hiroomi and Mitsuki Nase. As the group's bond strengthens, however, so does the tenacity of the youmu around them. Their misadventures will soon turn into a fight for survival as the inevitable release of the most powerful youmu, Beyond the Boundary, approaches. [Written by MAL Rewrite]

Third of three compilation films of the Kuroko no Basket franchise.

Rakuzan and Shutoku face off in the semi finals at the Winter Cup. Despite struggling with Akashi's Emperor Eye that sees through everything, Midorima and Takao fight back with their consecutive plays, and the whole Shutoku team bites back at Rakuzan. However, it doesn't take long before Akashi crushes all of their hopes. It is decided that the finals will be fought between Seirin and Rakuzan. Kagami immediately enters the Zone as soon as the match starts, but it is no match for Akashi. Facing an extreme difference in ability against Rakuzan, Seirin loses their hope a number of times during the match. However, Kuroko doesn't give up, and continues to strongly fight against Akashi.

(Source: Crunchyroll)

The movie is a continuation of the story from the original series that takes place half a year later. The original team joins an alliance to help take back the area around Unato Castle, however things do not go as planned. Will Ikoma and his friends be able to survive, or will they fall to the hordes of Kabane?

Second half of Kengan Ashura.