TXT, who deliver flawless performances on stage, transform into five rookie uncles for their childcare debut! From their first encounter with 14-month-old Yu Jun to the struggles of feeding, changing clothes, outings to the playground, and putting him down for a nap, nothing about this real-life parenting journey comes easy. Through their clumsy yet sincere efforts, the members reveal their unexpected goofy side and affectionate charm. Disarmed by the baby, the members' day blossoms into a childcare diary filled with laughter, relatability, and excitement. Watching these five uncles rely on one another as they grow through every unpredictable moment adds a whole new level of joy. Will TXT be able to navigate the chaos and create a special experience with Yu Jun?