Place at the city of Nagasaki, the narrative occurs at a world where a miniscule amount of magical stays in activity. Hitomi Tsukishiro is as she lost her sense of color in a very young age, actually a descendant of a rebel family that grew up with sterile emotions. Feeling sorry for the grand daughter's long run, Hitomi is, sent by a witch that is excellent, Kohaku the calendar year 2018, to ago. Through exchanges with her club members and her grandma, the narrative follows Hitomi's growth as an individual.