Oshi no Satsujin: Production, Cast, and Overview of the Japanese Television Drama
Oshi no Satsujin (known in English as My Fave, the Killer) is a Japanese television drama series broadcast across the NTV and YTV networks. Consisting of 13 episodes, the series aired from October 2 to December 25, 2025, taking the Thursday 23:59 time slot.
Source Material
The television series is an adaptation of the novel titled Oshi no Satsujin, written by Kataru Endo. The original novel was published on February 6, 2024, by Takarajimasha.
Plot Synopsis
The narrative focuses on three members of the underground idol group Baby Starlight: Rui Takamiya, Teruma Hayakawa, and Izumi Sawakita. Despite performing together, the members struggle with personal conflicts and strained interpersonal dynamics. A crisis occurs when one member commits murder. Although confused and distressed, the three members attempt a cover-up by burying the deceased body in a remote mountain area.
As the story unfolds, the group faces mounting pressure from police investigations, suspicious managers, and betrayal by a former idol group member. Through these hardships, the three members forge a stronger bond and resolve to continue pursuing their careers as idols. Simultaneously, a series of unsolved murders occurs nationwide, directly impacting the lives and struggles of the idol group members.
Broadcast and Production Details
The series was directed by Keisuke Shibata, Yusuke Koroyasu, Masayuki Matoba, and Kenichi Endo. The screenplay was developed by Yoko Izumisawa and Yu Kanda, drawing from Kataru Endo's novel. In NTV's programming schedule, the series occupied the Thursday 23:59 slot following Renai Kinshi and preceding Kimi ga Shikei ni Naru Mae ni, which premiered on April 2, 2026.
Cast and Characters
The main cast features performers portraying the members of Baby Starlight, their managers, associates, and other recurring or guest roles:
- Momoko Tanabe as Rui Takamiya
- Mayuu Yokota as Teruma Hayakawa
- Meari Hayashi as Izumi Sawakita
- Naenano as Michiru Komaba
- Naomi Trauden as Azusa Doi
- Kentaro Tamura as Satoru Haura
- Ron Mizuma as Shigeru Kubo
- Masataka Nakamura as Masaki Murakami
- Ryousuke Sota as Naoya Mochizuki
- Yuu Shirota as Junya Kawato
- Yoshiyuki Tsubokura as Kunio Sakamoto
- Ryushin Tei as Takeshi Shimotani
- Rosa Kato as Reiko Kawatsu
- Takahisa Masuda as Kyosuke Yazaki
Additional supporting and guest cast members include Kenta Izuka (Toshikatsu Tanimura), Aki Nishihara (Harumi Tanimura), Hikari Kabashima (Megumi Tanigawa), Moe Tsurumi (Fumi Yoshinogawa), Arisa Ogata (Yuki Yamano), Takahiro Kuroishi (Haida), Jyo Hyuga (administrator), Junpei Hashino (detective), Kumi Sasaki (Shiho Yanagida), Yosuke Nishi (Shibukawa), Taketo Tanaka (Rikuto Sano), Ayumu Kato, Jinta Nishizawa, Amon Hirai, Miyu Kitamuki, Shuji Okui, Kota Yokoyama, Sachiko Matsuura, Ran Tamai, and Maha Hamada.