Apink's Kim Namjoo explained her relationship with Kim Jaejoong. On the January 8th broadcast of the channel 'Jae friends | ST7,' Kim Namjoo and Park Chorong appeared. In this show, Kim Namjoo defined her relationship with Kim Jaejoong as "chat friends." Kim Jaejoong responded, "We are almost chat friends. But we don't even chat that often."

Kim Namjoo referred to Kim Jaejoong as "a senior I deeply respect." In response, Kim Jaejoong expressed some embarrassment, saying, "Namjoo is a bit annoying. She says, 'You're a senior,' but in chats, she just calls me 'oppa, oppa.'" Kim Namjoo explained the reason they became chat friends.

Kim Namjoo said, "A few years ago, during the contract renewal season, I suddenly contacted him to ask for advice. I said, 'Hello, this is Apink's Namjoo. I want to ask for help; could you assist me?' He was so willing to help that I was really impressed. I respect him so much." She added that since then, they check in about once a year and greet each other at events.

Kim Jaejoong summarized their relationship by saying, "We're basically real chat friends." The conversation between Kim Namjoo and Kim Jaejoong was based on mutual respect and friendliness. This broadcast highlighted their relationship and provided fans with interesting content.