MC Kim Gu Ra�started off by bringing up�ZE:A's Hyungsik, who was also featured as a guest on the show, and his family. He stated, "Hyungsik's father is a director at the foreign car brand B, and I heard that Key's father is a branch manager at a brokerage firm."

Key responded, "My father works at a brokerage firm, and my mother is a nurse," adding, "My house wasn't well off financially when I was younger, but when I succeeded as a singer, my father started doing well and my mother was promoted too."

SEE ALSO: Dancer/choreographer Monika Shin announces her marriage and pregnancy

Viewers commented, "I'm surprised by Key's family," "I didn't expect that kind of family background from Key," and "I had no idea Key was an umchinah (mother's friend's son you always get compared to)."