Ring no Seraph Anime Details and Episodes A song about a pro-wrestling match featuring Miku (as "Angel Miku") and Rin (as "Cutie Kagamine") as the faces, "Cutie Angels", going against their… Series info Watch free DetailsFormatMusicStatusFinishedEpisodes1Duration4 minScore68/100SourceOtherCountryJapan GenresComedySports TagsWrestlingFound FamilyVocal SynthFemale ProtagonistEnsemble CastIdolAchronological OrderTwins