★ 6.4 Music
Shiny Smily Story
Music
Finished 2020
Koyoi wa Halloween Night!
今宵はHalloween Night!
★ 6.6AniList score
1Episodes
2 minPer episode
OriginalSource
Music video from the hololive IDOL PROJECT, for the song Koyoi wa Halloween Night! sung by Yozora Mel, Yuzuki Choco, Murasaki Shion, and Uruha Rushia. Read more
Storyline
Music video from the hololive IDOL PROJECT, for the song Koyoi wa Halloween Night! sung by Yozora Mel, Yuzuki Choco, Murasaki Shion, and Uruha Rushia.
Trailer
Characters & Japanese Voice Cast
Rushia Uruha
Main
VA: Rushia Uruha
Shion Murasaki
Main
VA: Shion Murasaki
Choco Yuzuki
Main
VA: Choco Yuzuki
Mel Yozora
Main
VA: Mel YozoraSimilar Anime
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Frequently Asked Questions
How many episodes does Koyoi wa Halloween Night! have?
Koyoi wa Halloween Night! has 1 episodes.
Facts from AniList (also listed on MyAnimeList); streaming availability from JustWatch India. Last updated 18 October 2026, 9:35 AM IST. Episode times are Japan broadcast times shown in IST. Spotted a mistake? Write to [email protected].