Inexpressive Kashiwada and Expressive Oota Introduce 2 Additional New Cast Members

Inexpressive Kashiwada and Expressive Oota Adds 2 More New Cast Members
inexpressive kashiwada brother feature image©東ふゆ/KADOKAWA/顔に出ない柏田さんと顔に出る太田君製作委員会

Two additional cast members have been revealed for the upcoming Inexpressive Kashiwada and Expressive Oota TV anime. The series is set to debut in Japan on October 4, 2025.
The two new cast members portray the older siblings of the main characters, including Shiori Mikami as Oota’s sister and Daisuke Kishio as Kashiwada’s brother.

  • • Akane Fujita as Kashiwada-san
  • • Kyohei Natsume as Oota-kun
  • • Yuya Hirose as Tadokoro-kun
  • • Sohei Horikane as Sata-kun
  • • Yumiri Hanamori as Tabuchi-san
  • • Mayu Mineda as Odajima-san

Tomohiro Kamitani (Mix: Meisei Story Season 2) is helming the anime series, with Michiko Yokote (Call of the Night) as the series screenwriter and Naoto Nakamura (DATE A LIVE IV and V) taking on character design and chief animation direction. STUDIO POLON is responsible for the animation production.
The anime is adapted from the romantic comedy manga by Fuyu Azuma, which was serialized in KADOKAWA’s Dragon Comics Edge from June 22, 2018, to June 9, 2023. A total of ten tankobon volumes were released. Both BookWalker Global and MangaPlaza have made the manga available in English digitally.
A new spinoff manga by Azuma was also launched on October 13, 2023, and has published two tankobon volumes as of April 2025.

Inexpressive Kashiwada and Expressive Oota summer visual©東ふゆ/KADOKAWA/顔に出ない柏田さんと顔に出る太田君製作委員会

Crunchyroll will stream the Inexpressive Kashiwada and Expressive Oota anime globally, and outlines the main synopsis as:
Kashiwada-san’s face is a masterpiece of stoicism. Her classmate Oota-kun? A walking explosion of emotions determined to crack her calm with over-the-top antics. (Spoiler: It’s not working.) But between his failed surprises and her secret smiles, these polar-opposite classmates might just be into each other! Witness a rom-com where love speaks louder than expressions.

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Sources: Inexpressive Kashiwada and Expressive Oota Official Twitter (2), Official Anime Website, Anime News Network