Zero at the Bone Anime Details and Episodes After witnessing a mob hit, surgeon Jack Francisco is put into protective custody to keep him safe until he can testify. A hitman known only as D is… Series info Watch free DetailsFormatMangaStatusFinishedScore63/100SourceNovelCountryKorea GenresActionRomance TagsMedicineAssassinsBoys' LoveFull ColorMale ProtagonistPrimarily Adult CastBisexualForeignGoreCrime RecommendationsJiogui KkeuteseoDivision