Graduation day finally arrives, signaling the conclusion of Koyomi Araragi's quirky high‑school years filled with strange ties to supernatural beings with friends. As he attends the final ceremony, reflecting on his journey.
Yet, Araragi is abruptly drawn into his own bathroom mirror and ensnared in a surreal realm where every detail is inverted—the proud Karen Araragi appears diminished, the stoic Yotsugi Ononoki radiates feelings, and the adorable ghost Mayoi Hachikuji has become an adult! Still, things are not what they seem.
Zoku Owarimonogatari chronicles Araragi's quest in this alternate world as he fights to return home and decipher the nature of this odd dimension.
