Home/Discover/spiral tonesspiral tonesspiral tonesspiral tones2021 · music · 1 episodes▶ Watch episode 1+ My listWatch trailer ↗ OverviewEpisodesTrailerThe storymusicMV for the song spiral tones from Morikka.Rikka (Hollostars)& Mori Calliope (HololiveEN)IdolMusicEpisodesChoose your next chapterEpisode titles follow your spoiler shield.Edit watched progress1Episode 14 min▶Official trailerA first look at the storyPlay trailer ↗More in this worldRelated animeHolo GraffitiONA · 2019