Shōnengahōsha has announced that Sho Kasugai’s Millennium Family (Odoru Sennen Kazoku) manga will receive an anime adaptation. The anime will air on TBS and other stations when it premieres.
To celebrate the announcement, Kasugai released a commemorative illustration:
Rikuya Yasuda will voice the protagonist, Theo. Masato Jinbo is directing the anime at PartsCraft and is also supervising the scripts. Hiroshi Yoneda serves as the character designer and chief animation director.
Kasugai launched the Millennium Family manga in Shōnengahōsha’s Young King Ours magazine in March 2021. Shōnengahōsha released the manga’s eighth compiled volume in October 2025 and will release the ninth volume on July 30.
Lastly, here’s an overview of the story via MyAnimeList:
Seven immortal siblings born in England possess humanity’s ultimate dream: eternal life. But their gift makes them targets for the criminal underworld, corrupt hospitals, and international military organizations! After centuries apart, this extraordinary family reunites for a thrilling new chapter in their lives.
