The Return of Superman', which is broadcasted on the 24th, is decorated with 'I want to see you again'. In a recent recording, Kang Kyung-joon's son, 5-year-old Jung Woo, welcomed the younger sister, Byeol-yi. Byeol-yi is a puppy of a Father Kang Kyung-joon acquaintance who often met Jung Woo. Jung Woo moved as soon as Byeol-yi came, and took a cushion and a bowel pad to activate the full-fledged brother mode. Jung Woo mixed the feed with a spoon directly for younger sister Byeol-yi, and looked at Byeol-yi's eating and smiled at his brother. "Jung Woo said," Let's have more feed. Byeol-yi seems to be hungry, "he said, taking care of the younger sister on both sides and offering special care. In addition, Jung Woo faced the challenge of younger sister Byeol-yi poo-poo on the bowel pad. When Jung Woo asked Father Kang Kyung-joon to clean up the poo-poo, he went to clean the poo-poo with a vigorous answer. However, Jung Woo, unable to hide his embarrassed expression, threw a toilet paper on Byeol-yi's poo-poo and then ran back and forth. Jung Woo said, "I smell Byeol-yi shit. Father said, "Father Kang Kyung-joon urgently asked for SOS.