Hollow Fish Anime Details and Episodes Shizuoka, March 2019. The town where Shiira, a first-year high school student, lives is said that will sink to the bottom of the sea if a major earthquake… Series info Watch free DetailsFormatMangaStatusFinishedSourceOriginalCountryJapan GenresDramaMystery TagsSeinenScuba DivingSchoolBullyingDetectiveMale ProtagonistCoastal RecommendationsKaijuu no KodomoB.B. Fish