Carrie & Superkola.

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.