Absolute Value of Romance: South Korean Streaming Drama Series
Absolute Value of Romance, known in South Korea by its Hangul title 로맨스의 절댓값 and revised romanization Romanceui Jeoldaetgab, is a South Korean drama series distributed by the streaming platform Coupang Play. The production features a collaborative directorial team consisting of Lee Tae-Gon and Kim Jun-Hyung, working from a script written by Lee Min-Ju.

Production Background and Release
The series premiered on April 17, 2026, with episodes scheduled for release on Fridays at 20:00 KST through Coupang Play. The show falls under the South Korean television drama category and is produced in the Korean language.
Plot Synopsis
The narrative centers on Yeo Ui-Ju, a high school student who maintains a double life. During daylight hours, she functions as a standard student, but by night, she writes romance fiction featuring handsome teachers as central figures. Her daily reality takes a tumultuous turn when she unexpectedly encounters four of these instructors in her personal life.
The teachers featured in her real-life encounters include Ga Woo-Su, a math teacher with an IQ of 156, Mensa membership, and a reticent demeanor; Noh Da-Ju, a Japanese language instructor with a cheerful disposition; Jung Gi-Jeon, a physical education teacher characterized by a masculine personality; and Yoon Dong-Ju, a gentle and polite Korean language teacher.
Cast and Characters
The series features an ensemble cast portraying students, faculty members, family figures, and guest roles across various episodes.
Main Cast
- Kim Hyang-Gi as Yeo Ui-Ju
- Cha Hak-Yeon as Ga Woo-Su
- Kim Jae-Hyun as Noh Da-Ju
- Sohn Jeong-Hyuck as Jung Gi-Jeon
- Kim Dong-Kyu as Yoon Dong-Ju





Murim Girls' High Students and Faculty
Additional cast members represent students and personnel connected to Murim Girls' High School.









Yeo Ui-Ju's Family



Supporting and Guest Roles







