On the January 14th broadcast of KBS 'Invincible Youth 2', the members of the G8 crew, Girls' Generation's Sunny & Hyoyeon, f(x)'s Amber, miss A's Suzy, Kara's Jiyoung, SISTAR's Bora, Goo Woori and Kim Ye Won, made an appearance with their mothers.

During this episode, the girls talked about their family life and memories from living at home. Sunny shared, "I get to visit my mom, but I can't see my dad since he's overseas." As revealed in a previous interview, Sunny's father is currently in Kuwait.

Lee Soo Geun sympathized, saying, "You must truly miss your dad often." As her eyes brimmed with tears, the idol replied, "I hope I can see him soon."

In addition to Sunny's story, the mothers also revealed a few childhood secrets about their daughters during this episode.