This official novelization narrates from the other side—for instance, from the point-of-view of the girl rather than the boy in the legendary first segment, "Cherry Blossoms"—to tell a story that is both deeply engaging for first-timers and astonishingly fresh for fans of the film. (Source: Vertical Inc.)

Byousoku 5 Centimeter: One More Side was published in English as 5 Centimeters per Second: One More Side by Vertical Inc. on February 26, 2019.