9: Ruler's Crown: Story, Cast and Series Facts

Story and premise

Shiromitsukawa. It is a town with no special characteristics other than being a school town. The town has been trying hard to attract tourists, but none of their efforts have been successful. However, it has attracted public attention in an unexpected way. Kakeru Niimiis a reliable young man who tends to be blunt, but has a strong sense of responsibility and drive. He is a kind character who, despite what he says, puts the people around him first. He leads a peaceful life as a normal student, but when a sacred object enshrined at the White Snake Shrine is damaged, his daily life changes. In the shadows, there are boys and girls who have awakened to their unusual abilities. They were supposed to be ordinary students living in an ordinary town with nothing special about it. But they are caught up in the strange destiny that the aliens bring about....

Series details

• Title: 9: Ruler's Crown
• Format: Animation
• Language: Japanese
• Premiere date: 2025-07-05
• Final broadcast date listed: 2025-09-27
• Status in TVmaze: Ended
• Network listed by TVmaze: Tokyo MX
• Network country: Japan
• Typical episode runtime: 30 minutes
• TVMaze ID: 85639
• IMDb ID: tt32463887
• TVDB ID: 450624

Cast and credited roles

• Atsushi Abe — Kakeru Niimi
• Misato Fukuen — Miyako Kujo
• Atsumi Tanezaki — Sora Niimi
• Satomi Arai — Sophitia
• Kazutomi Yamamoto — Yoichi Fukazawa
• Akane Fujita — Noa Yuki
• Yuri Yamaoka — Haruka Kousaka
• Tomokazu Sugita — Renya Takamine
• Hana Takeda — Satsuki Naruse
• Natsumi Takamori — Ghost

Seasons in the TVmaze catalogue

• Season 1: premiered 2025-07-05; final listed air date 2025-09-27; episode order: 13.

Source and licence

Adapted from 9: Ruler's Crown on TVmaze. The synopsis is reproduced as plain text; catalogue facts, cast and season records are selected and reformatted. This adapted text is available under CC BY-SA 4.0, following the TVmaze API licence. Network and web-channel credits identify the service listed in this source; they do not establish current streaming availability.