MBN variety show 'Legend's Man' presents a 'Family Cheongbaek Battle' special in its fourth episode. The TOP7 of 'Mumyeong Jeonseol' and their family members, totaling 32 people, divide into teams to face off. MCs Jang Minho and Yang Seyoung stated that this special is "a special featuring the largest number of people, gifts, and stages ever prepared."

In this special, centered around a family showdown, the Cheong team was composed of Seongri and his older brother, Jang Hanbyeol and his mother, Jung Yeonho and his father, Lee Dongjun and his older sister, Yoo Jiwoo and his mother, Lee Woojung and his father Na Dangjin, Kwak Yeonggwang and his younger sister, and Son Eunseol and his father. The Baek team was joined by runner-up Haru and his maternal grandmother, Hwang Yoonseong and his father, Lee Changmin and 2AM's Jo Kwon, Irunae and his youngest older sister, Kim Taeung and his mother, Marcus Kang and his mother Woo Yeon, the sibling duo So Yoochan and So Yoomi, and Jo Seonghwan and his son.

Irunae livened up the atmosphere alongside his twelfth older sister. While he showed a warm chemistry with Seo Jio during the 'Friendship Battle,' he playfully nudged his youngest older sister's shoulder and said, "Go on in~," drawing laughs. 2AM's Jo Kwon made a surprise appearance to cheer on Lee Changmin. Jo Kwon shared, "When Changmin's older brother challenged himself on 'Mumyeong Jeonseol,' all the 2AM members cheered him on. I came out today to support him as the team leader."

Seongri shared recent updates including signing a contract on a house in Jeju Island, receiving his championship prize money, producing a film under his own name, and successfully holding a cruise fan meeting. His mother watched her son from the studio with a smile.

Meanwhile, the third episode that aired on July 29 recorded an average viewership rating of 4.7% among paid broadcasting households nationwide for part two, with a peak per-minute rating of 5.1%, allowing 'Legend's Man' to maintain its number-one spot among Wednesday variety shows for three consecutive weeks. The fourth episode, featuring the 'Family Cheongbaek Battle' special, airs on the 5th at 9:40 p.m.