★ 7.6 Music
DARKEN
Music
Finished 2020
FASTENING
Teiketsu Bolt · 低血ボルト
★ 6.2AniList score
1Episodes
3 minPer episode
OriginalSource
Music video featuring art, direction and animation by Kawasemi for the song FASTENING by Zutomayo. Read more
Storyline
Music video featuring art, direction and animation by Kawasemi for the song FASTENING by Zutomayo.
Trailer
Characters & Japanese Voice Cast
Uniguri
SupportingSimilar Anime
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Frequently Asked Questions
How many episodes does FASTENING have?
FASTENING has 1 episodes.
Facts from AniList (also listed on MyAnimeList); streaming availability from JustWatch India. Last updated 18 October 2026, 3:12 PM IST. Episode times are Japan broadcast times shown in IST. Spotted a mistake? Write to [email protected].