Koyomi learns the whole story about what happened between Karen and Kaiki. After receiving a tempting offer from Hanekawa, he speaks with Shinobu on the way to save Karen.

A recap episode retalling the events of Bakemonogatari's Tsubasa Cat and the entirety of Nisemonogatari, narrated by Koyomi. During the summer vacation after all the apparition-related incidents around the five girls have been resolved, Koyomi Araragi's two risky younger sisters – the self-proclaimed heroes of justice, Karen and Tsukihi – become involved in some trouble.