Kucing adalah hewan yang suka menyendiri, tetapi karena rumahnya hancur akibat banjir besar, ia menemukan tempat berlindung di atas kapal yang dihuni oleh berbagai spesies, dan harus bekerja sama dengan mereka terlepas dari perbedaan mereka.
The series follows the daily adventures of Kapibara-san and his animal friends as they chill out among the Midorino Grasslands.
The enthusiastic Aries girl, Capybara, opened a hot spring bathhouse for the local small animals, providing them a relaxing place. With her warm and attentive service, she quickly bonded with the animals who came to soak in the hot springs, helping them solve their troubles and overcome their difficulties. The twelve zodiac animals formed friendships through the baths, and every day at Capybara's bathhouse, funny and heartwarming stories unfold.
