As of October 2025, NewJeans' Hanni guest appearance on Lee Mujin Service still reigns supreme as the most viewed episode of the program.
Lee Mujin Service is a talk show hosted by Lee Mujin that showcases the live vocals of kpop idols. It is aired on KBS kpop's youtube channel.
On January 17th 2023, the 46th episode of Lee Mujin Service released, starring Hanni from NewJeans. Hanni, as an exeception to most, instead of choosing 4 songs normally like every artist featured on the show, Hanni was allowed 5 selected songs of her choosing to sing live. The songs included OMG by NewJeans, Just a Feeling by S.E.S, wa-r-r by Colde, Through the Night by IU, and a duo with the host Lee Mujin performing Lucky by Jason Mraz and Colbie Caillat.
Her appearance on the show was very popular and went viral when it released, and again when it became the most viewed episode of the show with 7.9 million views on youtube as of writing (16 October 2025). Fans and casual viewers alike all shared their opinion of the talented vocals and cute charm of the idol.
The top 3 most viewed episodes of Lee Mujin Service respectively:
1. NewJeans Hanni EP.46 - 7.9 million views
2. (G)I-DLE Minnie EP.1 - 6.8 million views
3. NMIXX Lily EP.29 - 5.8 million views
Other notable guest appearances of the program include:
Jimin of BTS EP.56 - 4.7 million views
Jin of BTS EP.141 - 2 million views
Lesserafim's Yunjin EP.33 - 3.7 million views
Lesserafim's Chaewon EP.11 - 5.6 million views
Illit's Yunah EP.170 - 223k views
Illit's Minju EP.136 - 859k views
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