Kiyoko is an elderly woman dealing with dementia which causes her to mix up and forget her own family members; mistaking her granddaughter for her daughter and thinking her great-granddaughter is someone's child who just happens to visit for sweets and candy.
An unexpected visit from Mitsu unlocks memories from their early highschool days and all through current points of their lives and how each of them found themselves where they are now.
Content compiled by AnimeList.moe from publicly available sources.
