Children of the Whales manga volume 10 features story and art by Abi Umeda.

The promised land of Amonlogia has turned out to be a nightmare for the people of the Mud Whale. Suou and the Unmarked are being held hostage, and in order to save them, Ouni and Chakuro agree to serve the duke as soldiers. Orca’s forces and an inevitable bloody battle draw ever closer, but the duke has a far darker mission in mind for Ouni—one that will rock the very foundations of Amonlogia!