Yuuto finds himself continually drawn to his fiancee, Airi, and when another man contracts with an Imagin to woo her, Ryotaro and the Imgain are pulled into the situation, all while the DenLiner runs out of control through time.

Set after the events of the TV series, Airi and the time traveler Yuto is still hesitating to start their romantic relationships, because she can't get over her ex fiancé Yuto. Deneb wants to bring them together. Then, Airi is stalked by someone, and Denliner begins to go out of control.