This is a love story told with doubt. The destined day for Hitagi to fulfill her promise to Nadeko is fast approaching. To save Araragl's life, she is about to enlist the help from the last person who expected to hear from her - Kaiki Deishuu. A reluctant participant, Kaiki might have agreed to the biggest con of his life when his intended victim is a God. Can he save Hitagi and Araragi from their fate or has Nadeko out foxed him?