Build Divide: Code Black

Neo Kyoto is a city with an AR infrastructure and ruled by the King but is also a world where the social and economic status of a person is determined solely by their skills in a game called Build-Divide. One day, Teruto Kurabe is wandering around the city with a piece of bread in his hand, and discovers a girl named Sakura Banka who is being attacked by a thug, so he uses the power of a myst...

Teruto reluctantly accepts Sakura’s offer to take part in Rebuild Battles. While they are walking in the city together, she realizes that Teruto is wearing a uniform from Komoku Academy, which is the same school she is a student of. Guessing that Teruto must be a student of Komoku Academy, she takes him there and discovers that he is indeed enrolled at the school. For some reason, one of the ...

After battling Teruto, Hiyori pleads to become Teruto’s disciple, and follows Teruto and Sakura around. In order to obtain more chips, Teruto and the crew head to a place which is rumored to be where Build-Divide players gather. However, before they arrive at the location, they discover that someone has already defeated all of the players, so they are forced to search in another area. On thei...

Teruto now has eight chips in his possession after claiming victory against Naomitsu. Sakura goes to meet Teruto so they can find Rebuild Battle challengers. When she gets there, she discovers that Hiyori has asked Teruto to give her special Build-Divide training. Teruto refuses at first, but reluctantly accepts after Hiyori entices him with his favorite foods. The three head toward the schoo...

Teruto loses his steam after being defeated by Kikka and spends his time in a daze, fishing by the river. He doesn’t have the drive to win like he did before, not only because he lost to Kikka who is his younger sister, but because he also found out that she is now the King of Neo Kyoto. Kikka longs to battle Teruto again because it is the only thing that excites her. However her attendant, H...

One day, while Teruto is resting in his tent, an injured Naomitsu collapses in front of him. Sakura asks him what happened, and he explains that he just battled Dairo Keisen, also known as the “Card Professor,” who is a researcher of Witchcraft Medicine. Naomitsu fought Keisen because he heard rumors that Keisen was involved in dangerous human experiments and that someone powerful was support...

A virtual beach called the Kamitoba Beach Resort has opened in Neo Kyoto! Hiyori wants to go to the beach because she has never experienced one in real life. To show her appreciation for their help in the battle at Keisen’s research facility, Sakura takes Hiyori and Teruto to the resort. As soon as they arrive, Hiyori has fun in the water, and they even get to see an idol event that is happen...

At Kamitoba Beach Resort, Teruto meets Ai Utsurogi from the bakery, who turns out to be a childhood acquaintance of his. When he visits Ai’s bakery, she tells Teruto about her memories of him and Kikka during their childhood. Teruto is visibly shaken when he hears from her that he and Kikka were very close as siblings when they were young. Ishinome appears in front of Teruto when he visits th...

After regaining all of his memories, Teruto focuses on taking part in Rebuild Battles so that he can reach Kikka as soon as possible. When he is one card away from completing the key, a boy in elementary school named Mikhail Saiki challenges him to a match. Mikhail is a formidable opponent who is also only one card away from challenging the King. However, Mikhail is surprised to see Hiyori wi...

Using the key completed by Teruto, Sakura challenges the King. The reason why she wanted to challenge Kikka was to make her wish come true, which was to regain her own body. Since she was unable to take part in Rebuild Battles on her own, she tricked Teruto into fighting in the battles to complete the key for her, so she could appear before the King. A siren signaling the start of the King ba...

After Sakura’s battle ends, Teruto announces that it is his turn to face Kikka. Kikka is overcome with joy when Teruto says that this is no longer a Rebuild Battle, but a fight between brother and sister. Nothing brings more excitement to Kikka than taking on Teruto in a Build-Divide battle, and they begin their match while Hiyori and Naomitsu watch on. But there is someone in the shadows who...

While battling Kikka, Teruto remembers why he has such a strong desire to battle the King. Teruto recalls the truth of Neo Kyoto he saw in “Kyoto” and the true meaning of the King. While they are fighting, he confesses what he knows to Kikka and asks her if they can reconcile their relationship. Kikka sheds tears of joy when she is finally able to meet the Teruto she was searching for all thi...