Iroduku The World in Colors [OVA]

In 2078, Hitomi Tsukishiro is a teenage girl from a family of witches who lost her sense of colors as she lost the people she treasured. Not wanting to see her granddaughter suffer anymore, Hitomi’s grandmother Kohaku Tsukishiro sends her 60 years into the past to 2018 to meet her 17-year-old self.