Cardfight!! Vanguard Highschool Arc

After the intense events of the Vanguard High School Koshien, Kouji Ibuki finds himself haunted by unsettling dreams. His journey takes a turn when Nome Tatsunagi invites him to a mysterious mansion, where they discover Kouji possesses the ability to see a Dark Tower known as Sanctuary. This enigmatic structure is distorting time itself, impacting events across history, and to restore balance, Kouji must confront a pivotal mistake from his own future.

Joined by Suiko, Kouji embarks on a quest through a parallel world, navigating the complexities of fate and time. Along the way, they encounter Magical Girls Emi Sendou and Shuka, who wield their Vanguard units to aid in the struggle against the anomalies caused by Sanctuary. However, the challenge remains daunting, as battling real monsters with Cardfighting skills proves to be a formidable task. Together, they must navigate this intricate web of history to set things right.