When John meets up with his friends, he brought a baby with him. Turns out it's John's baby sister, Kimi. She was brought to him by his parents to watch her for a week while they were on a mission. Unfortunately for today, John can't watch her. He asks his friends if they can watch her. They agree to it. But will this be their toughest challenge yet? Because Kimi discovered her semblance, and it's not a good thing. Especially at this age. It only activates when she's really upset. Plus they are still young and don't know anything about watching a baby. How will this turn out? Find out