The production team behind the upcoming television anime adaptation of Sho Kasugai‘s manga Millennium Family (Odoru Sennen Kazoku) has announced that voice actress Mutsumi Tamura will play Arthur, the fifth son and youngest sibling of the Benfield family.
Full Voice Cast
- Rikuya Yasuda — Theo
- Katsuyuki Konishi — Hayden
- Ryōta Suzuki — Hugo
- Lynn — Eve
- Taihi Kimura — Noel
- Haruna Mikawa — Raine
- Mutsumi Tamura — Arthur
Staff
Masato Jinbo — known for Fate/kaleid liner Prisma Illya 2wei!/2wei Herz!/3rei!!, Chaos;Child, and The Rising of The Shield Hero Season 2 — is directing the anime at studio PartsCraft and also overseeing the series scripts. Hiroshi Yoneda, character designer on Fate/kaleid liner Prisma Illya: Vow in the Snow, serves as character designer and chief animation director.
Story
Seven immortal siblings born in England possess humanity’s ultimate dream: eternal life. But their extraordinary gift makes them targets for the criminal underworld, corrupt hospitals, and international military organizations. After centuries spent apart, this remarkable family reunites for a thrilling new chapter in their lives.
Broadcast & Manga Details
The anime is set to air on TBS and other stations in Japan. Kasugai launched the source manga in Shōnengahōsha‘s Young King Ours magazine in March 2021. The manga’s 10th compiled volume is scheduled for release on January 29.

