Kaiki, deciding to accept Hitagi's work request, visits the town where Koyomi and his friends live. He starts to do research on Nadeko Sengoku, the junior high school girl turned god of North Shirahebi Shrine, who is the current target of deceit.
Koyomi and company climb down the mountain where they were hiding to escape the darkness and visit a village between the mountains where they meet Izuko Gaen and receive an explanation concerning the darkness.
After succeeding in changing the destiny of Hachikuji, Koyomi Araragi and Shinobu Oshino return to August 21st 11 years in the future. There, the two of them find out that their original world has been completely annihilated.
At Hitagi Senjyogahara's discretion, Hanekawa Tsubasa ends up living under the roof of the Araragi residence. Spending an evening in Koyomi's house, Tsubasa realizes that she had turned into Black Hanekawa the previous night.