On March 24, 2026, Kwak Jun-bin (Kwak Tube) announced on Instagram that he has become a father. Sharing a first look at the baby, he wrote, "They look a lot like mom." The photos show him at the hospital, cradling the newborn. Fans flooded the comments with congratulations, including messages like "So handsome, so cute, congratulations" and "Congrats, so cute."