In January 2026, Kodansha unveiled the cover for Ryo Sumiyoshi’s Si Land Volume One, with young Jean proudly gracing the front and a striking back cover dominated by Zahab, the Lion of the Ocean. Just two months later, on March 24, the publisher revealed the Volume Two cover — this time placing the majestic Lion of the Ocean front and center, flames roaring behind him in a display of raw power and charisma.
According to the official announcement, the digital edition of Si Land Volume 2 will include 12 pages of exclusive bonus content, featuring never-before-seen color illustrations, setting artwork (reference sheets), bonus one-panel comics, and newly drawn monochrome illustrations — all at the same price (792 yen, (720 yen excluding tax) as the print version. The second volume goes on sale April 8, 2026, with pre-orders available now. It continues directly from where Volume 1 left off, focusing on the Zahab Pirates’ fresh start, their voyage to the rocky Saber Cat stronghold, and the shocking discovery involving the legendary monster cat Ajai, the Sea Tiger. UPDATE: The second volume collects chapters 5 through 8, with an afterword from the author.
What is Si Land?
Si Land takes place in a world where dogs rule the only continent, having built a mighty kingdom, while the cats have scattered across the vast Great Sea. Living as nomadic raiders, the cats repeatedly loot dog ships and settlements, breeding a deep mutual hatred between the two species that has led to years of bitter strife. Meanwhile, on a small island in the Great Sea lives a young dog named Jean. Unconventionally born at sea and raised by a cat, he travels between islands with his mother Rosa and his adoptive father Azul. Jean dreams of finding a permanent home where the three of them can finally live together in peace. But their fate changed forever the day…
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Si Land is drawn and illustrated by Ryo Sumiyoshi (MADK, Our Torsos Align: Human x Monster Love, ASHIDAKA -The Iron Hero, Centaurs). It was first serialized in Kodansha’s Digital Manga Platform, Comic-Days on August 25, 2025 (also debuted at No. 1) and is currently ongoing, with chapters released every Monday. Kodansha also announced that Si Land would also be released as a Simulpub series in English on Kodansha’s KMANGA platform, chapters released every other Sunday.
Having lost their base in a sudden attack by the Ys Navy, the Zahab Pirates and Jean prepare to start anew. In order to rescue Jean’s mother, Rosa, they head for a rocky island said to be the stronghold of the Saber Cat tribe that attacked them. However, upon landing, they discover that every living creature on the island has been annihilated by an unknown entity… Zahab concludes that the horrific scene is the work of the legendary monster cat, Ajai, the Ferocious Tiger of the Ocean, and proposes that they leave the place as quickly as possible…!?
Dogs vs. Cats. The second volume of the wildly popular beast-man × ocean adventure fantasy epic!
English synopsis translation based on the official Japanese text from Kodansha’s product page for Si Land Vol. 2.
Source: Si Land Official Twitter (1,2), Kodansha
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