The story unfolds within an ordinary family living in a modern city. One night, the arrival of Moumou—a tiny alien from the Candy Planet—throws the household into an uproar. Although the family initially treats the visitor like a dangerous threat, they soon discover that Moumou is anything but scary; in fact, he is well-behaved and even saves the family’s little one, Youyou. Ultimately, they decide to take him in, and Moumou officially becomes a member of the family—and is even elected as their mascot. The show is rich in comedy, featuring abundant humor and playful plot twists that provoke chuckles and hearty laughter, allowing viewers to cast aside their worries and fill their hearts with sunshine. The addition of the little alien injects a touch of magic into the story, infusing it with a delightful fairy-tale quality that satisfies the boundless curiosity of young viewers and ignites their innocent, imaginative dreams.

(Source: Bilibili, translated)