A new character trailer for the upcoming Uchi no Ototodomo ga Sumimasen has been released, showcasing the quiet third son of the Narita family, Shu Narita. The anime will premiere in Japan on July 3, 2026 and will have 24 total episodes within a broadcast of two consecutive cours.
Hitoshi Nanba (Golden Kamuy Seasons 1-3, Tomo–chan Is a Girl!) is directing the anime series, with Megumi Shimizu (Private Tutor to the Duke’s Daughter) as series composer, and Shiori Hiraiwa (Tomo-Chan is a Girl!) and Yoko Fukushima (#COMPASS2.0) as character designers. Lay-duce is in charge of the animation production.
Meanwhile, the previously announced voice cast stars:
- • Naomi Ozora as Ito Narita
- • Toshiki Masuda as Gen Narita
- • Taku Yashiro as Raku Narita
- • Kensho Ono as Shu Narita
- • Momoka Terasawa as Rui Narita
Akira Ozaki‘s manga series has been serialized in Shueisha’s Bessatsu Margaret magazine since January 11, 2020. Fourteen tankobon volumes have been released as of July 2025. A 15th volume will be published in Japan on June 25, 2026.
The manga also inspired a live-action film that was released in December 2024.

The main premise of Uchi no Ototodomo ga Sumimasen centers on high schooler Ito Narita living with four younger brothers in a new home after her mother’s remarriage.
Sources: Uchi no Ototodomo ga Sumimasen Official Twitter, Crunchyroll News