is a Japanese manga series written and illustrated by Ryo Sumiyoshi. It began serialization on Kodansha's Comic Days manga website in August 2025.
Synopsis The series is set in a world where dogs control the land on the world's only continent, and cats rule the seas. Jean is a dog who was raised by his adoptive cat parents Rosa and Azul. Jean seeks to find a home where he can live peacefully with his adoptive parents.
Publication Written and illustrated by Ryo Sumiyoshi, Si Land began serialization on Kodansha's Comic Days manga website on August 25, 2025. Its chapters have been compiled into three volumes as of September 2026.
The series' chapters are simultaneously published in English on Kodansha's K Manga app.
Reception The series was nominated for the twelfth Next Manga Award in 2026 in the web category.
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