adaptation anime of Uchi no Otouto-domo ga Sumimasen received new updates during AnimeJapan 2026.The event revealed the first promotional video, a new visual, and more cast members. Furthermore, the series now has a confirmed premiere date on Japanese television.
The anime premieres on July 3, 2026, and will have continuous broadcast in two cours, totaling 24 episodes. It will air on channels such as Tokyo MX and BS11. The production adapts the manga by Akira Ozakimagazine Bessatsu MargaretShueisha's
The series is directed by Hitoshi Nanba, known for his work on Golden Kamuy, and produced by studio Lay-duce. The script is supervised by Megumi Shimizu, while the character designs are by Shiori Hiraiwa and Yoko Fukushima.
The main cast includes Naomi Ozora as Ito Narita and Toshiki Masuda as Gen Narita. The soundtrack is composed by Gin, reinforcing the creative team that has already worked on other recent projects in the industry.
Synopsis
The story follows Ito Hazui, a high school student who goes to live with a new family after her mother's marriage. Now called Ito Narita, she discovers she has four younger brothers. Among them, Gen stands out for his distant personality. Despite the initially difficult coexistence, Ito tries to adapt to the new family routine. Gradually, she notices nuances in Gen's behavior, revealing a gentler side behind his cold demeanor. The work also received a live-action film adaptation released in December 2024.
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Source: Official Website