Jeon Yu Jin attracted attention by appearing as a celebrity judge on MBN's '2026 Korea-Japan King of Singers Competition.' The broadcast took place on the 21st, and on that day, Jeon Yu Jin actively participated in the program as a judge.

The broadcast featured the 'Preliminary Battle - 100 Seconds Battle' and the first round of the main competition, the '1-on-1 Improvised Selection Battle.' Following a special judging role in last week's 'Preliminary Battle - 100 Seconds Battle,' Jeon Yu Jin moved to the celebrity judging panel as the main competition began.

After Gusu-kyung's performance of 'A Thousand Years of Love,' when Park Seo-jin mentioned Gusu-kyung's name and made a joke, Jeon Yu Jin replied, "It must be the mouth radical." Also, after the Japanese contestant Karen Arakawa's performance, Jeon Yu Jin expressed admiration, saying, "It's unbelievable that a middle school student can produce that kind of soul." Before the announcement of the results following Lee Soo-yeon's performance, Jeon Yu Jin said, "It was a stage where it wouldn't be strange for anyone to win."

Jeon Yu Jin is a contestant from the Pohang Beach National Singing Contest and debuted in March 2020 with the digital single 'Would You Like to Love?'. Afterwards, Jeon Yu Jin gained recognition by winning first place in 'Active King of Singers' and released the new song 'Gayo Gayo' on the 26th of last month.