Uchi no Otouto-domo ga Sumimasen kicks off July 4, 2026 via Lay-duce. 12 eps, comedy register energy, adapted from a manga. The full breakdown:
Quick answer
Uchi no Otouto-domo ga Sumimasen premieres on July 4, 2026 from Lay-duce, with 12 episodes scheduled, with streaming partners to be confirmed. The show adapts a manga and sits in the comedy register corner of the Summer 2026 slate.
The setup
During spring break at the end of her first year of high school, Ito learns she has to move because her mother is getting remarried. What she didn't expect is suddenly gaining four younger stepbrothers under the same roof.
Determined to get along with her new family, Ito does her best to adjust, but the eldest brother, Gen, is distant and hard to read. Yet as they spend more time together, she starts to see glimpses of kindness behind his cool exterior.
Behind the camera
Lay-duce handles animation.
Director: Nanba, Hitoshi.
Series composition / script: Shimizu, Megumi.
Character design: Fukushima, Youko.
Music: Motoyama, Satoshi.
Production committee involves Aniplex, INSPION Edge.
The background
Source format: Manga.
source readers will know whether the adaptation has the right rhythm; for newcomers, the manga is the homework if you want to commit early.
Japanese title: うちの弟どもがすみません.
Demographic positioning: Shoujo.
Broadcast
Premiere: July 4, 2026.
Broadcast slot: Saturdays at 00:00 (JST).
Episode count: 12.
Episode duration: Unknown.
International streaming partners haven't been firmed up yet at time of writing.
Pre-air read
Members tracking the show on MAL: 3,045.
Popularity rank: #11279.
Looking for context? See the full Best Summer 2026 anime ranking and what to watch this Summer 2026 primer.
What to expect
If you're someone who slots comedy register shows on principle, Uchi no Otouto-domo ga Sumimasen is an automatic add to the first-three-episode try-list. If the manga resonates with you, that doubles the case.
What to watch for in week one: animation density of episode one (premieres usually peak there — does episode two hold?), how the Lay-duce team handles the first big set piece, and whether the OP/ED give the show a sonic identity beyond the source's existing fan signaling.
Slot it for the first three episodes. If the production's holding by week three, you've got a season-runner.
Frequently asked questions
Q: When does Uchi no Otouto-domo ga Sumimasen premiere?
A: Uchi no Otouto-domo ga Sumimasen premieres on July 4, 2026. It broadcasts on Saturdays at 00:00 (JST).
Q: Where can I watch Uchi no Otouto-domo ga Sumimasen?
A: Streaming partners for Uchi no Otouto-domo ga Sumimasen haven't been confirmed publicly yet. SenpaiRanks updates this page as platforms announce.
Q: Is Uchi no Otouto-domo ga Sumimasen based on a manga or light novel?
A: Uchi no Otouto-domo ga Sumimasen adapts a manga. source readers will know whether the adaptation has the right rhythm; for newcomers, the manga is the homework if you want to commit early.
Q: How many episodes does Uchi no Otouto-domo ga Sumimasen have?
A: Uchi no Otouto-domo ga Sumimasen is scheduled for 12 episodes.
Q: Who is producing Uchi no Otouto-domo ga Sumimasen?
A: Lay-duce handles animation production. Director: Nanba, Hitoshi. Series composition: Shimizu, Megumi. Character design: Fukushima, Youko.