THE APEX TIMES
Wowow unveils first look at six-part live-action series based on Riku Onda’s “The Aosawa Murders,” starring Yukino Kishii
The Japanese broadcaster says it is adapting Riku Onda’s mystery novel The Aosawa Murders (Eugenia) into a six-episode drama, with Yukino Kishii set to star and Naoko Adachi credited as scriptwriter.
Japanese broadcaster Wowow has announced a six-episode live-action series based on Riku Onda’s best-selling mystery novel The Aosawa Murders (Eugenia), and has released a first-look preview tied to the project.
According to Wowow’s announcement reported by Deadline, the adaptation will star Yukino Kishii. The casting is being positioned as an international-career bridge, with Kishii described as known abroad for her role in the Cannes title All The Lovers In The Night.
Deadline reports that the series will be scripted by Naoko Adachi, whose writing credit in the announcement includes What Did You Eat […]. Wowow’s project is being framed as a staged, serialized mystery, rather than a standalone film, with the novel’s story expanded across six episodes.
The novel’s title is presented in the reporting as both The Aosawa Murders and Eugenia, indicating that the adaptation is drawing on the same source material and naming conventions already used around the book. Wowow’s production announcement does not change the core premise described in the coverage: a mystery story drawn from Onda’s work.
Deadline’s reporting characterizes Riku Onda’s book as best-selling, which underscores why the broadcaster is investing in a premium, locally produced drama series based on an already-established readership.
The announcement includes a first-look reveal tied to the new drama, marking the point at which fans and industry audiences are being shown the project’s direction before additional details such as full casting, episode dates, or distribution windows are made available.
No further production timeline or episode-length details were included in Deadline’s report, and Wowow’s next communications are expected to add release scheduling, additional cast, and production credits beyond the announcement’s initial script and starring roles.
Why It Matters
- A serialized adaptation can broaden the audience for an already published mystery, adding new viewers who may not have read the book.
- Casting Kishii in the lead links the project to internationally visible recent film work, which can affect how the series is marketed domestically and abroad.
- The six-episode format indicates a longer narrative engagement, with implications for scheduling, production planning, and marketing milestones across a season-length release.
- Because the project is tied to a best-selling novel, rights and licensing considerations are likely a key driver of the production’s timing and distribution planning, even though specific terms were not disclosed in the report.
Key Facts
- Wowow announced a six-part live-action series based on Riku Onda’s mystery novel The Aosawa Murders (Eugenia).
- The series will star Yukino Kishii.
- Naoko Adachi is credited as the series scriptwriter in the announcement.
- Deadline describes the novel as best-selling.
- The report notes Kishii is internationally known for her role in the Cannes title All The Lovers In The Night.
- Wowow released a first-look for the adaptation as part of its announcement on Aug. 3, 2026.