Hatano Hiyoko

Eito, an editor of an illustrated book magazine, lives alone with his cat Hachi because his wife Masami has been hospitalized. Eito is an animal lover, but this is the first time for him to live with a real animal!

Nana ends up transferring to an overseas school after her parents are reassigned to another country. Since she can hardly speak any English, she cannot make any friends and is always alone. One day, she meets a spirited pink bird named Stella at the school's botanical garden. Stella tells her to collect mysterious English word cards to save the school. (Source: Fandom)

About three girls who transform into rabbits to save people from the Stress Monsters.