by lo_ve, May 16, 2025
9

Kang Yoo Seok and TXT members Choi Soo Bin and Choi Yeon Jun are set to reunite as Hi-Boyz on Mnet's music program M Countdown.

On May 16, media outlets reported that the fictional K-pop boy group Hi-Boyz, formed through the tvN K-drama Resident Playbook, will perform on M Countdown. They are currently coordinating the details.

According to reports, Hi-Boyz, consisting of Um Jay (Kang Yoo Seok), Top Key (Choi Yeon Jun), and Bin (Choi Soo Bin), have decided to perform on a music program as a special gift to K-pop fans and viewers of Resident Playbook. 

Episode 9 officially featured the K-pop group performing their song, 'When The Day Comes.' The track has also been officially released on music streaming platforms and is currently performing well on the charts.

Hi-Boyz has been mentioned since the first episode due to the main lead, Um Jae Il/Um Jay, played by Kang Yoo Seok. He introduced himself as a former idol and a member of a one-hit wonder K-pop group called Hi-Boyz. In later episodes, he also showcased the key dance move of their hit song.

Hi-Boyz gained many fans as their song performed well on the charts, and their dance became a TikTok challenge.

M Countdown airs every Thursday. 

Resident Playbook is a spin-off of Hospital Playlist that depicts the real-life stories, friendships, and struggles of obstetrics and gynecology residents at Jongno Yulje Hospital. 

Go Youn Jung, Shin Shi Ah, Kang Yoo Seok, Jung Joon Won, Han Ye Ji, and Lee Bong Ryun are the main leads of the series. 

The K-drama will conclude this week with the last two episodes airing this weekend. There are reports that the cast and crew will go on a workshop-style trip to celebrate the end and success of the K-drama. 


Resident Playbook airs every Saturday and Sunday at 9:10 PM KST. The K-drama can be viewed through tvN, TVING, and the global streaming platform Netflix. 


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Are you going to watch the reunion performance of Hi-Boyz?