Ep. 1: Hitomi viaja sesenta años atrás para visitar a su abuela Kohaku como estudiante de preparatoria

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Hitomi Tsukishiro, a girl from a family of mages who lost the ability to see color when young, gets sent 60 years into the past when her grandmother Kohaku tells her one night to go back in time and visit her when she was a 2nd-year student in high school. (Source: Amazon)