Production company Kuma announced a television anime adaptation of Akira Kazugai's Odoru Sennen Kazoku (Millennium Family) manga on Monday, revealing the lead cast, staff, a teaser visual (pictured), and announcement promo. The anime series will air on TBS and other channels.

Voice actor Rikuya Yasuda (Mayonaka Heart Tune) is starring as Theo.

Staff
Director, Series Composition: Masato Jinbo (Tate no Yuusha no Nariagari Season 2, Dokyuu Hentai HxEros)
Character Design, Chief Animation Director: Hiroshi Yoneda (Nozomanu Fushi no Boukensha animation director)
Studio: PartsCraft

Kazugai began serializing the action comedy manga in Young King OURs magazine in March 2021. Shounen Gahousha published the eighth volume in October 2025 and will release the ninth volume on July 30.

Orange Inc. licensed the manga in English and publishes it digitally through the emaqi app.

Synopsis
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. (Source: Orange Inc.)

Announcement


Official site: https://sennenkazoku.com/
Official X: @sennenkazoku

Source: Press Release

Odoru Sennen Kazoku on MAL