★ 5.8 Music
Fireflies Never Came
Music
Finished 2021
The Third Heart
Daisan no Shinzou · 第三の心臓
Music video for the song Daisan no Shinzou, directed, animated, and musically written by Harumaki Gohan, featuring vocals by Hatsune Miku. Note: There exists two versions of this song; the first being a vocaloid version featuring Hatsune Miku… Read more
Storyline
Music video for the song Daisan no Shinzou, directed, animated, and musically written by Harumaki Gohan, featuring vocals by Hatsune Miku. Note: There exists two versions of this song; the first being a vocaloid version featuring Hatsune Miku uploaded on May 15, 2021 and a self-cover version by Harumaki Gohan, which was uploaded later on May 23, 2021.
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Frequently Asked Questions
How many episodes does The Third Heart have?
The Third Heart has 1 episodes.
Which studio made The Third Heart?
The Third Heart is produced by Studio Gohan.
Facts from AniList (also listed on MyAnimeList); streaming availability from JustWatch India. Last updated 19 October 2026, 8:06 PM IST. Episode times are Japan broadcast times shown in IST. Spotted a mistake? Write to [email protected].