Seventina Anime Details and Episodes Music video for the song Seventina, directed, animated, and musically written by Harumaki Gohan, featuring vocals by Hatsune Miku. Series info Watch free DetailsFormatMusicStatusFinishedEpisodes1Duration4 minScore52/100SourceOriginalCountryJapan TagsVocal SynthComing of AgeDrawing RecommendationsDreamless DreamsCobalt MemoriesGolden RayZero TalkingStrobe LightHotaru wa InakattaE no Umakatta Tomodachi