tvN has released the first teaser for its upcoming weekend drama Four Hands, Two Sonatas, and the internet is already buzzing. The short clip gives viewers a look at the special bond between characters Kang Bi Oh (Song Kang) and Choi Jeong Yo (Lee Jun Young), two piano prodigies whose friendship develops through their shared love for music. Set to premiere on August 29, 2026 at 9:10 p.m. KST, the drama has already sparked massive reactions online, with many fans commenting on the undeniable chemistry between the two leads.
Teaser Shows Heart of the Drama
The newly released teaser, which came out on July 1, shows the two characters during their school days at an arts high school. The clip opens with Choi Jeong Yo (Lee Jun Young) pointing a camcorder at Kang Bi Oh (Song Kang), who is sitting at the piano looking at sheet music. Kang Bi Oh looks up and exchanges a small smile with his friend, setting a warm and nostalgic tone for the rest of the video.
The teaser captures the simple yet meaningful moments of their daily lives. The two are seen sitting side by side at a single piano, playing together in perfect sync. They also walk home together through the dark school hallways, always staying close to each other. One particularly playful moment shows Choi Jeong Yo grabbing Kang Bi Oh’s hand and waving it at the camera while saying “Hello”. These small gestures highlight the pure and innocent friendship between the two young musicians.
The poster released alongside the teaser shows both hands resting on piano keys with the words, “In front of the keyboard, our breathtakingly perfect chemistry”. The image and tagline have only added to the excitement, giving viewers a taste of the deep connection the two characters share through music.
What ‘Four Hands, Two Sonatas’ Is About
Four Hands, Two Sonatas is a coming-of-age drama set at Korea Arts High School, a school filled with exceptionally talented music students. The story follows the friendship, love, competition, and growth of these young people as they chase their dreams. The title refers to a piano technique where two people play a single piano together, which serves as a central metaphor for the relationship between the two main characters.
Song Kang plays Kang Bi Oh, a perfectionist piano student who always ranks first in both academics and music. He is seen as a future star who is expected to win the world’s top piano competitions. Lee Jun Young takes on the role of Choi Jeong Yo, a piano prodigy who has turned away from his talent due to difficult personal circumstances. His character appears at the arts high school and meets Kang Bi Oh, who had caught his attention long ago. The drama also features Jang Gyu Ri as Hong Jae In, a viola major with sensitive hearing who becomes close friends with Kang Bi Oh.
The series is written by Shin Yi Won, known for Green Mothers Club, and directed by Park Hyun Seok, who worked on Stranger 2 and Knock Out. It will have 12 episodes and air on Saturdays and Sundays.
A Special Project for Both Actors
This drama holds special meaning for both leading actors. Four Hands, Two Sonatas marks Song Kang’s first project after completing his mandatory military service, which ended on October 1, 2025. Fans have been eagerly waiting for his return to the small screen, and this drama is his big comeback.
For Lee Jun Young, this is his last drama before he enlists in the military in July 2026. The actor, who is also a member of the group U-KISS, has been receiving a lot of love for his current role in the JTBC drama Reborn Rookie. His pairing with Song Kang has become one of the most talked-about topics in the K-drama community.
Fans React to the Teaser
Social media has been flooded with reactions since the teaser dropped. Many viewers have pointed out that the chemistry between Song Kang and Lee Jun Young feels almost like a romance drama. Comments like “Pure high-school youth vibes” and “No matter how you look at it, it feels like BL” have been circulating widely. The term “bromance” has been used repeatedly to describe their on-screen relationship.
“They’re running hand in hand—how is this not BL?” – Netizen reaction
Fans have also expressed excitement about seeing Song Kang back on screen. One user wrote, “Lee Jun-young and Song Kang at ONE PIANO? The visual damage alone will be INSANE”. Another commented, “Rival pianists forced to collaborate — this is the enemies-to-respect pipeline I LIVE for”.
The teaser has also sparked curiosity about the storyline. Viewers are eager to see how the two rivals turn into close friends and how their musical journey unfolds. The nostalgic feel of the teaser, which is set in 2016, has reminded many of their own school days.
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Where and When to Watch
Four Hands, Two Sonatas will premiere on August 29, 2026 at 9:10 p.m. KST on tvN. The drama will air every Saturday and Sunday. For international viewers, the series will also be available for streaming on TVING. Global audiences can check their local streaming platforms for availability closer to the premiere date.
With less than two months to go before the first episode, tvN is expected to release more teasers and promotional content to keep the excitement alive. The combination of a talented cast, a deep story about music and friendship, and the special circumstances surrounding both lead actors has made this one of the most awaited K-dramas of the year.
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