From sold-out stages to diaper duty! TXT’s Parenting Diary is a limited reality series that follows TOMORROW X TOGETHER as they trade the spotlight for the unexpected challenges of childcare. Entrusted with the lively 14-month-old Yu Jun, the five members must put their teamwork to the test as they take on everything from feeding and playtime to naps, tantrums, and the countless surprises that come with looking after a toddler. With no stage rehearsal to prepare them for what lies ahead, TXT quickly discovers that babysitting is a whole different kind of performance. Will they rise to the challenge and master the art of babysitting, or will Yu Jun prove that he’s the one truly calling the shots?