The show takes the comfort of idol rhythm-game routines and suddenly folds in this weird, specific chaos of a baby that won't leave your side, turning every performance into parenting on live TV. That collision between "I have to win this competition" and "a literal child is calling me mama" is where the actual heart lives. The UFO setup sounds silly until you realize the show is quietly about what it means to suddenly be responsible for something that chose you, not the other way around.
When a huge UFO appears over Parajuku and glittering jewels rain down across the town, the Idol God Grand Prix is set to take place at the town's PriPara, and the PriPara system is updated for it. Around the same time, Laala meets a mysterious baby who fell from the sky. The infant calls her "Mama" and will not leave her side, so Laala ends up looking after the child. This third season of PriPara is a musical slice-of-life comedy.