A boy called Gon was on the verge of death, when suddenly gills started to grow and he could breathe again. Kang Ha and his grandpa rescue Gon and together they become an odd family.

The doll that elementary school student "Carrie" cherished turned into an alien. He looks like a stuffed doll, but talking and playing superpowers like Superman. A super creature from space entered Carrie's dog stuffed doll "Kola". The two live together in Carrie's room and become friends. Adults do not know the existence of superpowers Kola. It's a secret between Carrie and Kola.