Student by Day, BL Author by Night: Kim Hyang Gi’s New Drama Is the Ultimate K-Drama Plot Twist

If you thought you’d seen every possible K-Drama trope, think again. This April 2026, the legendary Kim Hyang Gi is returning to our screens with a premise that is so meta, so chaotic, and so perfectly Gen Z that we’re already preparing our snacks for the premiere.

In the upcoming Coupang Play original series, Absolute Value of Romance (also known as The Absolute Value of Romance), Kim Hyang Gi plays a high school student who leads a double life. By day, she’s Yeo Eui Ju, a quiet, average student trying to survive the social hierarchy. But by night? She’s a popular, anonymous web novelist who writes “adults-only” BL (Boys’ Love) novels.

The catch? Her main characters are inspired by the four incredibly handsome new teachers at her school. And as luck (or drama) would have it, her fictional fantasies and her real-life school days are about to collide in the most awkward way possible.

At D-Muse Magz, we’ve been following Kim Hyang Gi since her child-actress days, and this “unbossing” of her usual serious image is exactly the vibe-shift we needed for 2026.

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The Muse: Kim Hyang Gi as Yeo Eui Ju

Kim Hyang Gi has built a career on heavy-hitting, emotional roles (shoutout to Along with the Gods and Innocent Witness). But in Absolute Value of Romance, she’s leaning into her comedic timing.

• The Character: Eui Ju is an “observant introvert.” She’s hopeless at real-life romance, but online, she’s a genius storyteller with divine writing skills.
• The Conflict: Her creative dopamine hits 200% when four new teachers arrive. She starts a daring new novel featuring them as protagonists, only for it to skyrocket to the top of the real-time rankings.
• The Stakes: Imagine having to look your math teacher in the eye after you’ve spent all night writing a spicy “enemies-to-lovers” chapter about him and the P.E. teacher. The stress!

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The Inspiration: Four Handsome Teachers

Of course, a BL novelist is only as good as her muses. And Eui Ju’s “research subjects” are played by some of our favorite idols and rising stars.

1. Cha Hak Yeon (VIXX’s N) as Ga Woo Su

The cold, handsome math teacher with an IQ of 156. He’s a Mensa member who is all about logic and calculations—making him the perfect “stoic lead” for Eui Ju’s novels. Cha Hak Yeon brings that sharp, intellectual charisma that makes him the ultimate fictional (and real-life) heartthrob.

2. Kim Jae Hyun (N.Flying) as Noh Da Ju

The playful, mischievous Japanese teacher. Unlike Woo Su, Da Ju is a mood-maker who is fluent in multiple languages and comes from a wealthy family. He’s the “Sunshine” character to Woo Su’s “Grumpy” archetype.

3. Son Jeong Hyuck (DEMIAN) as Jung Ki Jeon

The P.E. teacher and former luge athlete. He’s warm but clumsy, and he sees Eui Ju as his next running prodigy. He brings that “Jock with a Heart of Gold” energy to the lineup.

4. Kim Dong Kyu as Yoon Dong Ju

The sweet and attentive Korean language teacher. He’s the “Healer” of the group, providing a soft place for the characters (and the audience) to land.

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Why This Drama is the 2026 Mood

What makes Absolute Value of Romance so interesting is how it taps into the Gen Z phenomenon of digital authorship. In 2026, your “side hustle” or your secret hobby is often where your true self lives.

Much like Jolina Magdangal reclaimed girlhood with her “Anik-Anik” style, or how Anne Curtis used Milan Fashion Week to tell a story through Gucci, Eui Ju uses her writing to process the world around her. The drama explores the boundary between imagination and reality—and what happens when you accidentally start becoming the protagonist of your own story.

[Image Suggestion: A teaser poster showing Kim Hyang Gi smiling at her laptop with the four teachers “stepping out” of the screen as fictional illustrations behind her.]

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The D-Muse Final Verdict

With Lee Tae Gon (the director of Hello, My Twenties!) at the helm, we’re expecting a coming-of-age story that is witty, slightly spicy, and deeply relatable. It’s a “high-teen” series that doesn’t take itself too seriously but still handles the themes of creativity and first love with the delicacy Kim Hyang Gi is known for.

The Schedule: Absolute Value of Romance premieres on April 17, 2026, on Coupang Play.

Are you ready for the ultimate meta-romance?

Which teacher would be your main character—the cold math genius or the cheerful Japanese teacher? Let us know in the comments—and tell us, if you wrote a novel about your life right now, would it be a romance, a thriller, or a comedy of errors?

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