Even though she is 16 years old, Kaya still has an innocent nature and loves her stuffed animals very much. She is cheerful and caring.

Tetsu is Kaya's schoolmate. He likes Kaya and wants to be friends with her, but is too timid to approach her at first.

He creates stuffed animals and knows that stuffed animals can have a soul when its creator loves them. Shinri is nice to Kaya, but he's very mysterious.

Purple was an abandoned stuffed animal that Kaya saved when she was young. He is very protective of Kaya, is the leader among Kaya's stuffed animals and can transform into a human.

Gray is a dog stuffed animal, but can also transform into a human like Purple. Kaya's mother made him. Like a real dog, he is very loyal.

Aqua is a fish stuffed animal, and can also transform into a human. Kaya bought him at the aquarium.

Pink is a Pegasus stuffed animal that Kaya made. Like the other stuffed animals, she cares about Kaya. She is the only girl stuffed animal and has a sweet demeanor.

Bianca is a stuffed animal who lives with Shinri. Nera is the dark side of Bianca. When Bianca turns to Nera, his personality becomes very aggressive.