A Calm Sea and Beautiful Days with You: Story, Cast and Series Facts

Story and premise

During the Showa-era, newlyweds Natsumi Ebata and Takimasa Ebata enter an arranged marriage without a single day of courtship. Through tender yet exasperating moments, the two slowly bridge the gap between them, discovering love in the quiet routines of their shared days.

Series details

• Title: A Calm Sea and Beautiful Days with You
• Format: Scripted
• Language: Japanese
• Genres: Drama, Romance
• Premiere date: 2025-04-24
• Final broadcast date listed: 2025-06-26
• Status in TVmaze: Ended
• Network listed by TVmaze: Fuji TV
• Network country: Japan
• Typical episode runtime: 54 minutes
• TVMaze ID: 84762
• IMDb ID: tt36693655
• TVDB ID: 461860

Cast and credited roles

• Kyoko Yoshine — Natsumi Ebata
• Kyoya Honda — Takimasa Ebata
• Yuta Koseki — Ryûnosuke Fukami
• Katsuhisa Namase — Story teller
• Emi Wakui — Ikuko Shibahara
• Maika Yamamoto — Fumiko Yoshimori
• Aya Ogata — Fuyuko Sekiya
• Kanna Mori — Harue Sekiya
• Mahiru Konno — Satsuki Sekiya
• Miyu Sakihi — Akina Sekiya
• Takahashi Tsutomu — Atsuzo Sekiya
• Rio Komiya — Juntarô Seta

Seasons in the TVmaze catalogue

• Season 1: premiered 2025-04-24; final listed air date 2025-06-26; episode order: 10.

Source and licence

Adapted from A Calm Sea and Beautiful Days with You on TVmaze. The synopsis is reproduced as plain text; catalogue facts, cast and season records are selected and reformatted. This adapted text is available under CC BY-SA 4.0, following the TVmaze API licence. Network and web-channel credits identify the service listed in this source; they do not establish current streaming availability.