Uchi no Otouto-domo ga Sumimasen begins TV broadcast on July 3

Uchi no Otouto-domo ga Sumimasen key visual

TV anime Uchi no Otouto-domo ga Sumimasen is set to begin broadcasting at 24:00 JST on Friday, July 3, 2026, on TOKYO MX, BS11, ABC TV, and other stations, with the series planned as a two-cour, 24-episode run. The official site presents the show as a home-set romantic comedy built around Ito, a high school student whose mother remarries and suddenly brings four very different stepbrothers into the same house.

What Was Announced

The official site now lays out the launch package in one place: cast, staff, theme song, and broadcast timing. Naomi Oozora voices Ito, Toshiki Masuda plays Gen, Taku Yashiro plays Raku, Kensho Ono plays Shu, and Momoka Terasawa plays Rui. The staff list includes Hitoshi Nanba as director, Megumi Shimizu on series composition, Shiori Hiraiwa and Yoko Fukushima on character design, Gin from BUSTED ROSE on music, and Lay-duce as the animation studio. The opening theme is Aikotoba by DISH//.

The story hook is easy to grasp but gives the series a lot of room to breathe. Ito is not stepping into a fantasy world or a battle academy; she is stepping into a new family structure, and the comedy comes from four brothers whose personalities do not line up neatly with one another. The official synopsis stresses that each boy brings a different energy to the household, which is exactly what makes the premise feel built for both warmth and friction.

Why It Matters

This is the kind of adaptation that can reach audiences beyond its core manga readership because the emotional setup is immediately legible. MANTANWEB notes that the original manga began serialization in Bessatsu Margaret in 2020 and has passed 3 million copies in circulation. That gives the anime a recognizable shoujo foundation before the first episode even airs.

The project also fits a useful lane in the summer anime calendar. It is not competing on scale or spectacle; it is competing on character chemistry, household tension, and the timing of small emotional beats. Those are the kinds of details that can make a domestic comedy stand out if the execution is sharp.

Context for International Fans

Japanese TV listings use 24:00 to mean midnight at the start of the following day, so the premiere sits on the July 3 schedule while effectively landing at the opening of July 4 in JST. The official site currently names Japanese broadcasters rather than global platforms, so international availability will depend on regional licensing and later streaming announcements.

If you are coming to the series from outside Japan, the setup should still be straightforward. Ito becomes the eldest child in a newly blended household, and the anime uses that arrangement to mix comedy with the emotional work of learning how to become a family. That is a simple premise, but it is also a flexible one, which is often a strength for overseas viewers who do not want to spend several episodes decoding the core conflict.

What Happens Next

The immediate milestone is the first broadcast. After that, the two-cour format suggests a longer weekly run rather than a short trial season, so the early episodes will likely matter a great deal in establishing tone and momentum. The official site has also been rolling out character materials and a non-credit opening sequence, which usually signals that the production is moving from announcement mode into steady broadcast promotion.

For now, the concrete detail is the one that matters most: Uchi no Otouto-domo ga Sumimasen begins its TV run on July 3, 2026, at 24:00 JST. Everything else will be measured against how that premiere lands.

Sources

Information was checked on 2026-07-03 07:27 JST.

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