On one occasion, Ako Roki, a young lady with aspirations for a contented high school existence, encountered a tangerine at a sanctuary and was instantly transported four years into the future. This unfortunate event deprived her of the opportunity for a conventional adolescent life with her companions, leading her to experience melancholy and self-doubt. Nevertheless, what unfolded at her new institution were further unanticipated occurrences pertaining to "time" and "citrus fruits". This narrative unfolds in the urban setting of Imabari in Ehime Prefecture, as three adolescent females navigate the complexities of their youth in this bittersweet coming-of-age tale with elements of science fiction.