Ep. 11: Teruto faces Kikka in a sibling Build-Divide battle while Mario Higuma watches with malicious intent.
Aired on December 19, 2021

Following Sakura's match, Teruto declares his intention to fight Kikka. Kikka expresses immense joy upon learning the contest is no longer a Rebuild Battle, but a direct confrontation between siblings. The pair initiate their Build-Divide battle while Hiyori and Naomitsu observe from the sidelines. Meanwhile, Mario Higuma, the King's attendant, watches the proceedings from the shadows with a sinister smile, appearing to derive more pleasure from the fight than anyone else. His actions suggest hidden agendas beyond his official role. The narrative raises questions regarding the true nature of Neo Kyoto and the specific intentions driving Higuma's behavior during this intense sibling rivalry.
Episodes
- Ep. 7 · Hiyori and friends visit the Kamitoba Beach Resort in Neo Kyoto for a virtual beach experience.
- Ep. 8 · Teruto encounters childhood friend Ai and Ishinome at Kamitoba Beach Resort
- Ep. 9 · Teruto faces elementary schooler Mikhail Saiki in a crucial card battle to complete his key.
- Ep. 10 · Sakura Challenges the King to Regain Her Body Using the Key Completed by Teruto
- Ep. 11 · Teruto faces Kikka in a sibling Build-Divide battle while Mario Higuma watches with malicious intent.
- Ep. 12 · Teruto recalls Neo Kyoto's truth while battling Kikka and seeks reconciliation.