Gong Hyo-jin is heading back to MBC after 15 years away, and she’s doing it as an assassin hiding behind a school-run and a sales spreadsheet. A Bona Fide Killer is one of July’s most anticipated K-dramas, and here’s everything confirmed so far.
When Does It Release?
The series premieres July 31, 2026, airing every Friday and Saturday at 9:50 p.m. KST on MBC.
A Bona Fide Killer: Overview
| Detail | Info |
|---|---|
| Network | MBC |
| Premiere Date | July 31, 2026 |
| Air Days | Friday & Saturday, 9:50 p.m. KST |
| Total Episodes | 14 |
| Based On | Kakao Webtoon of the same name |
| Writer | Kim Eun-hee |
| Director | Yoon Jong-ho |
The Story, Explained
The series follows Yoo Bo-na, an ordinary sales team manager at Durumi Electronics by day, who is secretly “Kingfisher,” a legendary sniper who hunts down criminals who’ve escaped justice. After returning from three years of childcare leave, Bo-na resumes her double life, all while her investigative journalist husband Kwon Tae-sung edges closer to uncovering her secret, and a determined detective closes in on Kingfisher’s true identity.
Meet The Cast
Gong Hyo-jin leads as Yoo Bo-na, marking her first MBC drama in 15 years. Jung Joon-won plays her unsuspecting husband, while Lee Sang-yi takes on the role of the detective pursuing Kingfisher. Sung Dong-il rounds out the main cast as Kim Bong-pal, Bo-na’s loyal team leader and ally, known for his gentle demeanor despite his own hidden skills.
Why This Drama Stands Out
Blending family comedy with high-stakes action, the show leans into a genre mashup that’s become increasingly popular in Korean television — ordinary domestic life colliding with a secret, dangerous double identity. According to A Bona Fide Killer‘s official details, the production team has described it as offering thrilling catharsis while keeping its family-comedy heart intact.
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