Set in the premise after the events of Date a Live II, a mysterious existence named Mayuri has started to appear in Tengu City. Shidou set on a date to figure and find out the identity of the spirit. In order to find out the reason of the interruption of the disturbance that occurred, he goes on a date with six of the spirits that wanted him all for themselves for the mysterious being to appear. Note: An original story supervised by the original light novel author Koushi Tachibana.