Oji-san to Marshmallow Anime Details and Episodes The series is about a man named Kusaka who has a fascination for marshmallows. Kusaka gets involved in a relationship with an office lady named… Series info Watch free DetailsFormatMangaStatusFinishedSourceOriginalCountryJapan GenresComedySlice of Life TagsOffice LadySeinenPrimarily Adult CastFood RelatedOjisan and Marshmallow (Adaptation)Ojisan to Marshmallow: Hige-san and Marshmallow (Adaptation) CharactersIori WakabayashiHabahiro HigeMioko NijimoriIsamu Wakabayashi (Supporting)Kachou (Supporting)