Absolute Value of Romance
Upcoming South Korean television series
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Absolute Value of Romance (Korean: 로맨스의 절댓값) is an upcoming South Korean television series written by Lee Min-joo and directed by Lee Tae-gon and Kim Jun-hyung. Starring Kim Hyang-gi, Cha Hak-yeon, Kim Jae-hyun, Son Jeong-hyeok, and Kim Dong-gyu, the series follows a high school girl who writes BL romance novels featuring her handsome teachers, only to find herself unexpectedly entangled with them in real life, becoming the protagonist. It is scheduled to premiere on Coupang Play on April 17, 2026, at 20:00 (KST) and will also be available for streaming on Amazon Prime Video internationally.
| Absolute Value of Romance | |
|---|---|
Promotional poster | |
| Hangul | 로맨스의 절댓값 |
| RR | Romaenseuui jeoldaetgap |
| MR | Romaensŭŭi chŏltaekkap |
| Genre | |
| Written by | Lee Min-joo |
| Directed by |
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| Starring |
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| Country of origin | South Korea |
| Original language | Korean |
| Production | |
| Production companies |
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| Original release | |
| Network | Coupang Play |
Cast and characters
- Kim Hyang-gi as Yeo Eui-ju[1]
- A student by day and a BL romance writer by night. She effortlessly blurs the lines between reality and imagination, with her own distinctive flair.
- Cha Hak-yeon as Ga U-su[1]
- A math prodigy who learned to calculate before speaking, with an exceptional memory and a passion for piano.
- Kim Jae-hyun as Noh Da-ju[1]
- A Japanese teacher.
- Son Jeong-hyeok as Jung Gi-jeon[1]
- A PE teacher.
- Kim Dong-gyu as Yoon Song-ju[1]
- A Korean teacher.
- Gladys Bay as Jenny
- An exchange student from Singapore who became friends with Eui-ju[2]
Production
In late 2025, Kim Hyang-gi, Kim Jae-hyun, and Cha Hak-yeon were reportedly cast, and filming commenced.[3][4][5] By February 2026, Kim Hyang-gi, Cha Hak-yeon, Kim Jae-hyun, Son Jeong-hyeok, and Kim Dong-gyu were officially confirmed to lead the drama Absolute Value of Romance. Lee Tae-gon, who helmed Hello, My Twenties! (2017) and True to Love (2023), was attached to co-direct with Kim Jun-hyung, and the screenplay is written by Lee Min-joo. The production is handled by Pungnyeon Jeonpasang and Borderless Film, with co-production by Singaporean broadcasting company Mediacorp.[1][5][6]
Release
Absolute Value of Romance is scheduled to premiere on Coupang Play on April 17, 2026, at 20:00 (KST) and will also be available for streaming on Amazon Prime Video internationally.[7][8]