TV series
High schooler Yeo Eui-ju secretly writes web novels by night. When four charming new teachers arrive, they inspire her stories and shake up her school.
Streaming, rental and purchase options
Checked Jul 22, 2026
Absolute Value of Romance is available to stream on Prime Video in United States. Use the direct links below to open the provider.
High schooler Yeo Eui-ju secretly writes web novels by night. When four charming new teachers arrive, they inspire her stories and shake up her school.
Choose an episode, then use the watch options above for the show.
Episode 1
Eui-ju is a quiet student by day and a bold romance writer by night. Her future seems uncertain as the man she wronged becomes her homeroom teacher.
Guest stars Han Su-ho, Nam Hae-jun, Kang Shin, Baek Hyun-joo, Jeong Si-hyun, Lee Seung-joon, Lee Jae-hee, Yang So-min
Episode 2
A sweet scene between teachers ignites Eui-ju's creativity. She casts them as leads in her new novel. During PE class, Gi-jeon makes her heart skip.
Guest stars Jang Jae-young, Han Se-hee, Roh Ju-eun, Yoon Hye-rim, Kim So-hui
Episode 3
Eui-ju hides Woo-su's glasses after stepping on them by mistake. Given his demerits and tough task, she trashes them, thinking he's picking on her.
Guest stars Yang So-min, Gladys Bay, Jang Jae-young, Han Se-hee, Roh Ju-eun, Yoon Hye-rim, Kim So-hui
Episode 4
Once she realizes the glasses were special, Eui-ju digs them out of the trash but still gets a detention. She posts her F4-inspired web novel online.
Guest stars Lee Jae-hee, Gladys Bay, Jang Jae-young, Han Se-hee, Roh Ju-eun, Yoon Hye-rim, Kim So-hui
Episode 5
We Were Friends" goes viral. Riding the high, Eui-ju writes the steamiest cliffhanger yet, unaware someone is standing right behind her.
Guest stars Gladys Bay, Jang Jae-young, Han Se-hee, Roh Ju-eun, Yoon Hye-rim, Kim So-hui
Episode 6
Woo-su demands she delete everything. Now forced to write the novel on his terms, Eui-ju hits a wall. Meanwhile, the principal has plans of her own.
Guest stars Baek Hyun-joo, Lee Seung-joon, Yang So-min, Gladys Bay, Jang Jae-young, Han Se-hee, Kim So-hui
Episode 7
On the EBC filming day, Da-ju urges Eui-ju to film Woo-su's class secretly, but she gets caught. She collapses and Woo-su carries her to the hospital.
Guest stars Baek Hyun-joo, Jeong Si-hyun, Gladys Bay, Jang Jae-young, Han Se-hee, Roh Ju-eun, Yoon Hye-rim, Kim So-hui
Episode 8
Eui-ju wonders why Woo-su allows her to keep writing her novel. One offhand remark from him sets her heart racing.
Guest stars Lee Seung-joon, Yang So-min, Gladys Bay, Jang Jae-young, Han Se-hee, Roh Ju-eun, Yoon Hye-rim, Kim So-hui
Episode 9
As Eui-ju denies Woo-su's words made her flutter, a Fields Medal winner visits him. Misunderstood as liking Dong-ju, Eui-ju grows awkward with Go-ya.
Guest stars Baek Hyun-joo, Jeong Si-hyun, Yang So-min, Gladys Bay, Jang Jae-young, Han Se-hee, Jung Da-on, Kim So-hui
Episode 10
Feeling inadequate, Eui-ju writes Deul-i as a villain in her novel. Woo-su considers a research proposal in the US, and the prospect makes Eui-ju sad.
Guest stars Baek Hyun-joo, Jeong Si-hyun, Lee Jae-hee, Jang Jae-young, Han Se-hee, Roh Ju-eun, Yoon Hye-rim, Jung Da-on
Episode 11
Ji-a is captured by loan sharks. Woo-su gets in trouble trying to rescue her. Just as things look hopeless, someone arrives to save them both.
Guest stars Gladys Bay, Jang Jae-young, Han Se-hee, Roh Ju-eun, Yoon Hye-rim, Kim So-hui, 이경원, Ha Seon-jae
Episode 12
Dong-ju's secret is revealed. Eui-ju reconciles with Go-ya, and encouraged by her advice, decides to confess feelings.
Guest stars Gladys Bay, Jang Jae-young, Han Se-hee, Roh Ju-eun, Yoon Hye-rim, Kim So-hui, Ha Seon-jae, 주진수
Episode 13
Eui-ju's hesitant to confess. She realizes she's just a student to Woo-su. When Ha-su discovers her novel, her heart races with fear of being exposed.
Guest stars Gladys Bay, Jang Jae-young, Han Se-hee, Roh Ju-eun, Kim So-hui
Episode 14
The entire school finds out about the novel. Word reaches Young-hee, and Eui-ju must bring her parents to school. She tells her parents the truth.
Guest stars Baek Hyun-joo, Lee Seung-joon, Yang So-min, Gladys Bay, Jang Jae-young, Han Se-hee, Roh Ju-eun, Yoon Hye-rim
Episode 15
Eui-ju is crushed after seeing how well Woo-su treats Deul-i at her guest lecture. After class, Eui-ju poses a life-defining math problem to Woo-su.
Guest stars Baek Hyun-joo, Lee Seung-joon, Lee Jae-hee, Yang So-min, Gladys Bay, Jang Jae-young, Han Se-hee, Roh Ju-eun
Episode 16
Eui-ju rushes to the hospital after hearing that Woo-su had eye surgery. She finally learns the truth behind the promise made ten years ago.
Guest stars Lee Seung-joon, Lee Jae-hee, Yang So-min, Gladys Bay, Jang Jae-young, Han Se-hee, Roh Ju-eun, Yoon Hye-rim
Episode information updated Jul 22, 2026
Kim Hyang-giYeo Eui-ju
Cha Hak-yeonGa Woo-soo
Kim Jae-hyunNo Da-ju
DemianJeong Gi-jeon
Kim Dong-kyuYoon Dong-ju
Han Su-hoHo
Nam Hae-junJin
Kang ShinYeon-hee
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