18=80 Anime Details and Episodes Sachiko Ameya, age 80, was enjoying life in her old age happily and peacefully. However, what filled her heart at her moment of death was a strong regret… Series info Watch free DetailsFormatMangaStatusFinishedSourceOriginalCountryJapan GenresComedyDramaSlice of Life TagsFemale ProtagonistAge RegressionSeinen RecommendationsSanju MarikoTsumasho