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9-nine- Ruler's Crown backdrop
9-nine- Ruler's Crown poster

9-nine- Ruler's Crown

4.0
1 season
13 episodes
Ended
Animation
Sci-Fi & Fantasy
Mystery

Plot Summary

9-nine is a tale of the town of Shiromitsugawa, host to mysterious Artifacts and the superpowers they bestow on their Users. A tale of growing trust and budding romance between the protagonist and the heroine, and also a murder mystery where they hunt down the culprit behind a series of supernatural murders.

First Aired:July 5, 2025
Last Aired:September 27, 2025
Episode Runtime:24m
Networks:
Tokyo MX

Cast & Characters

Cast

Atsushi Abe as Kakeru Niimi (voice)

Atsushi Abe

Kakeru Niimi (voice)

Misato Fukuen as Miyako Kujou (voice)

Misato Fukuen

Miyako Kujou (voice)

Atsumi Tanezaki as Sora Niimi (voice)

Atsumi Tanezaki

Sora Niimi (voice)

Yuri Yamaoka as Haruka Kousaka (voice)

Yuri Yamaoka

Haruka Kousaka (voice)

Akane Fujita as Noa Yuuki (voice)

Akane Fujita

Noa Yuuki (voice)

Kazutomi Yamamoto as Yoichi Fukazawa (voice)

Kazutomi Yamamoto

Yoichi Fukazawa (voice)

Satomi Arai as Sophitia (voice)

Satomi Arai

Sophitia (voice)

Hana Takeda as Satsuki Naruse (voice)

Hana Takeda

Satsuki Naruse (voice)

Tomokazu Sugita as Renya Takamine (voice)

Tomokazu Sugita

Renya Takamine (voice)

Where to watch free (US)

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Seasons (2)

Season 1
8.9

Season 1

13 episodes

Aired: 2025

Production

PRA

Good Smile Film

Marvelous

CLEARRAVE