Ponta is a Golden Retriever puppy and the Koizumi family's pet. Full of energy, she is always getting into trouble. One day Grandpa Koizumi, a passionate ameteru inventor, creates the 'Chit-chat Bone,' which is meant to empower animals with human speech. Ponta nibbles on the 'Chit-chat Bone' and turns into a human girl! Ponta dashes out into the street and is saved by Mirai Iwaki, the most popular boy at school! Her heart pounds and her face flushes. Why does she feel this way? Can there be love between a human and a dog? The effects of the 'Chit-chat Bone' are not permanent, and Ponta turns back into a puppy. when she next finds the bone, it is nine months later, and now she is transformed into a teenage girl. In love with Mirai, she follows him to high school - and by the end of the day she is accepted as a transfer student. Now she must learn how to talk, walk and behave like a human. A dog in love with a boy! where can their relationship possibly go?