Kouda Arata meets Kujima, a bird-like creature from Russia. Kujima starts living with the Koudas.

There are rumors of a ghost in the neighborhood. Could they be about Kujima, or...?

Kujima is introduced to Makoto, Arata's friend. Later, Kujima takes photos with the Koudas for the first time.

Kujima gets homesick and decides to go home. Arata has an idea to make Kujima feel more at home, but...?

Kujima experiences the kotatsu table and then Christmas for the first time in Japan.

To celebrate the New Year, the Kouda family gathers at Arata's paternal grandparents' home.

Arata takes Kujima to school. Later, Sonoda and Ichino find out about Kujima.

Kujima is concerned about the scary face Suguru makes. Later, Kujima and Makoto make chocolate for Arata.

Arata and Kujima play in the snow, and cook okonomiyaki for dinner.

Suguru passes the exam and they have sushi to celebrate. Then, Kujima starts molting.

Spring means it's almost time for Kujima to go home. They go cherry blossom viewing, and take family photos.

Finally, the day for Kujima to say goodbye to the Koudas and leave for Russia has arrived.