JTBC variety show "Knowing Bros" will invite the TOP7 members of "Active King of Trot 3" on the 28th at 9 PM to highlight stories offstage, friendship, and their growth process.

This episode features guests Hong Ji-yoon, Lee Soo-yeon, Goo Soo-kyung, Kang Hye-yeon, Kim Tae-yeon, and Solji, who were active in the trot competition program "Active King of Trot 3." They share their competition experiences, efforts behind the scenes, and recent updates.

Hong Ji-yoon talks about the difficulties of being unprepared when she appeared on "Miss Trot 2," and expresses her feelings about dedicating herself to the trot genre afterward, which led her to win first place on "Active King of Trot 3." Goo Soo-kyung recalls her 10 years of obscurity, revealing, "My nickname is 'Queen of Part-time Jobs,'" and shares her experience of making light sticks for a famous idol.

News about teenage trot singers is also shared. Lee Soo-yeon says she recently moved to Goyang City due to a busy schedule and is getting along well with friends in the new environment. Kim Tae-yeon reveals that she is a Dragon, not a Tiger, and confesses her struggles, saying, "There are still lyrics that are hard to understand," and "I study about love by asking my grandmother."

Friendships among the cast are also introduced. Solji expresses her emotion by sharing the story of Kim Tae-yeon giving her flowers, bagels, and a letter as gifts. Kim Tae-yeon reveals that it was the first letter she gave to someone other than her parents, showing their special relationship.

Additionally, Kang Hye-yeon names Cha Ji-yeon as the most surprising person among the cast, honestly saying, "Seeing Cha Ji-yeon unnie made me wonder if I should have come," adding laughter to the scene.

In this broadcast, the TOP7's growth through preparing for the competition, their friendship with each other, and their recent news will be revealed.