Millennium Family Anime Adaptation Announced: Trailer, Cast, and Studio Details

Publisher Shōnengahōsha has officially announced that Millennium Family (Odoru Sennen Kazoku), the popular action-comedy manga created by Akira Kasugai (also known as Sho Kasugai), is getting a television anime series adaptation. Produced by animation studio PartsCraft and slated to broadcast on Japanese network TBS, the newly revealed teaser trailer and key visual confirm that director Masato Jinbo will helm the project. Voice actor Rikuya Yasuda stars in the lead role as Theodore Benfield.

Key Project Information

• Anime Title: Millennium Family (Odoru Sennen Kazoku)
• Original Creator: Akira Kasugai (Sho Kasugai)
• Original Manga Publisher: Shōnengahōsha Official Website
• Digital English Publisher: Millennium Family on Emaqi
• Animation Studio: PartsCraft
• Director and Scriptwriter: Masato Jinbo
• Character Designer and Chief Animation Director: Hiroshi Yoneda
• Official Social Media: Young King OURs Official X Account
• Primary Genres: Action, Supernatural Comedy, Slice of Life
• Broadcast Network: TBS and affiliate stations

What Is the Story of Millennium Family?

Serialized in Shōnengahōsha’s Young King OURs magazine since March 2021, Millennium Family blends high-stakes criminal action with absurd family sitcom dynamics. The plot follows Theodore “Theo” Benfield, a British man who tries to live a quiet, ordinary life in Japan.

The peaceful routine shatters due to his family’s incredible secret:

• Immortal Siblings: Theodore and his six brothers and sisters possess true immortality, making them prime targets for shadowy syndicate organizations and rogue scientists.
• A High-Flying Rescue: After their youngest sister Rhyne gets kidnapped, the siblings launch an explosive rescue operation that results in their private jet exploding mid-air.
• Seven Immortals Under One Roof: Unharmed by the crash, the entire immortal clan moves into Theo’s small Japanese apartment to lay low.
• Centuries of Baggage: Forced together for the first time in several hundred years, the immortal siblings must dodge secret agents while navigating domestic roommate drama.

Who Is Working on the Millennium Family Anime Production Team?

The anime adaptation reunites several veteran talents known for bringing high-energy action and comedy to life:

• Director and Series Composition Leader Masato Jinbo: The founder of studio PartsCraft, Jinbo previously directed Fate/kaleid liner Prisma Illya, Chaos;Child, The Rising of the Shield Hero Season 2, and The Quintessential Quintuplets Movie. He will handle both direction and scriptwriting duties.
• Animation Studio PartsCraft: Founded in 2018 by Masato Jinbo, PartsCraft takes the lead on full animation production.
• Character Designer Hiroshi Yoneda: Best known for his work on Fate/kaleid liner Prisma Illya: Vow in the Snow, Yoneda serves as character designer and chief animation director.
• Lead Voice Actor Rikuya Yasuda: Yasuda, known for his roles in Taisho Otome Fairy Tale and Fairy Ranmaru, voices the long-suffering lead protagonist Theodore Benfield.

When Is the Millennium Family Anime Premiere Date?

Shōnengahōsha and studio PartsCraft have not yet announced an official premiere date or broadcast window for the Millennium Family anime. With nine collected manga volumes available as of July 2026, production is actively underway. Western anime fans can expect licensing updates and streaming announcements via platforms like Crunchyroll Anime Catalog as the broadcast window approaches.