A Bona Fide Killer is an ongoing South Korean slice-of-life action drama television series written by Kim Eun-hee and directed by Yoon Jong-ho and Kim Ji-hoon. Based on the Kakao Webtoon of the same name by Yoon and Gum, the series follows the complicated life of Yoo Bo-na, a married assassin, and her husband Kwon Tae-seong, who is desperate to uncover her secret life. It premiered on MBC TV on July 31, 2026, and airs every Friday and Saturday at 21:50 (KST). It is also available for streaming on Rakuten Viki in selected regions.