Chi is a kitten who accidentally gets separated from her mother, and is unable to find her way home again. A boy and his family find Chi and give her a home.

[Source: Anime News Network]

The Yamadas and Chi move to a new apartment house, where keeping a pet is allowed.

Chi meets someone new at the park and tries to befriend him.

A 3DCG anime adaptation of the manga.

A grey and white kitten with black stripes wanders away from her mother and siblings one day while enjoying a walk outside. Lost in her surroundings, the kitten struggles to find her family and instead is found by a young boy, Youhei, and his mother. They take the kitten home, but pets are not allowed in their housing complex, so they try to find a new home for the kitten. This proves to be difficult, and the family eventually decides to keep the kitten, naming her "Chi."

[Source: Wikipedia]

Welcome back, Chi! This time sweet home is off to Okinawa!

The energetic kitten Chi lives with her beloved owner Yohei and the Yamada family. This summer, Dad is called on an emergency business trip to Okinawa. Worried about who will take care of Chi, he plans on going alone. However, Yohei and Mom are set on going with him, and the whole family sets off for the tropical paradise.

What awaits them is the shining sun, the vast ocean and…?