Watch Kotetsu no Daibouken Watch now on Miruro - Free Anime Streaming The Kotetsu no Daibouken manga follows the story of Linn and Tatsuya far beyond the limited scope of the OAV series. Series info Watch free DetailsFormatMangaStatusFinishedSourceOriginalCountryJapan GenresActionAdventureEcchi TagsUrban FantasyShounenMonster GirlFemale ProtagonistPrimarily Female Cast RelatedKotetsu no Daibouken (Adaptation)