Millennium Family (Odoru Sennen Kazoku) has tapped industry veteran Katsuyuki Konishi to voice Hayden, the eldest member of the immortal Benfield family. Konishi joins Rikuya Yasuda, who was previously announced to star as the series protagonist, Theo.
The production is being helmed by director Masato Jinbo, known for his work on The Rising of the Shield Hero Season 2 and the Fate/kaleid liner Prisma Illya franchise. Jinbo is also overseeing the series scripts at studio PartsCraft. Handling the visual side, Hiroshi Yoneda, who previously collaborated with Jinbo on Fate/kaleid liner Prisma Illya: Vow in the Snow, serves as both character designer and chief animation director.
Based on Sho Kasugai’s manga, which has been serialized in Young King Ours since 2021, the story follows seven immortal siblings navigating a world that views their longevity as a target for exploitation. With the ninth volume released this past July, the anime adaptation is slated for a broadcast run on TBS and its associated networks.
A promotional video released alongside the casting announcement offers a first look at the series' tone, highlighting the high-stakes conflict the Benfield family faces as they reunite after centuries of separation.
