My Demon’s Song Kang set to return with a new K-drama alongside Lee Jun-young- here’s what we know so far

My Demon actor, Song Kang, fulfilled his mandatory military service in Korea and was discharged last year in October 2025. Fans of the South Korean actor have been waiting for more than two years to see him back on screen. Hence, many would be excited to learn that Song Kang will be seen next in a musical drama titled Four Hands (WT).

The tvN K-drama will star Kang alongside Weak Hero Class 2's Lee Jun-young and Jang Gyu-ri. While a release date has not been confirmed for Four Hands (WT), the tvN K-drama is expected to premiere in the second half of 2026.

More on this in our story.

Four Hands (WT): Song Kang set to star alongside Lee Jun-young and Jang Gyu-ri in the upcoming K-drama

Rumors about Song Kang starring in the upcoming tvN K-drama have been circling around the internet since last year, before his military discharge. It is now finally confirmed that the My Demon and Sweet Home actor will play a leading role in the coming-of-age musical drama.

According to The Korea Times, the synopsis of the upcoming K-drama reads as:

"Four Hands follows a group of gifted students who meet at an elite arts high school reserved for musical prodigies. The drama explores their friendships, romances, fierce competition and personal growth, using music as both a battleground and a bond."

Song Kang is set to play the character of a musical prodigy named Kang Bi-o, who, other than being a model student, also has exceptional piano skills. He is described as someone who doesn't take his talent for granted and is expected to be one of the greatest piono player, until he meets his rival, who challenges his exceptional talent.

The rival to Song Kang's character, Bi-o, will be played by the popular actor Lee Jun-young, who had an eventful year in 2025 with several of his K-dramas topping multiple charts. Jun-young, who was previously seen in Weak Hero Class 2, When Life Gives You Tangerines, and Pump Up the Healthy Love, will play the character of Choi Jeong-yo. Unlike Bi-o, Jeong-yo has a complicated upbringing, which makes him overlook his own talents.

However, as he gains access to the elite Korea Arts High School, he faces Bi-o, a piano prodigy, who used to be his idol. The story focuses on how Bi-o and Jeong-yo's relationship changes as they become rivals due to their having undisputed piano playing skills.

Along with Song Kang and Jun-young, Four Hands (WT) will also star Jang Gyu-ri, who will play the character of Hong Jae-in. She is a viola major and a friend of Song Kang's character, Bi-o, whose music is the only thing that satisfies her sensitive ears.

Along with Kang and the others, Four Hands (WT) also stars several other actors in the ensemble cast, who are listed below:

• Kim Joo-hun as Do Hyeon-soo
• Jung Jin-young as Kang Seung-woon
• Yoon Se-ah as Kang Ji-hye

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Keep reading Soap Central for more updates on Four Hands (WT).

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