In the Land of Leadale, Vol. 6 (manga‪)‬

When Cayna reaches the fishing village where the rumor of a temple in the ocean originated, she’s shocked to find the place in ruins, surrounded by a strange fog and inhabited by undead. Now, she must protect the village’s sole survivor, a young girl named Luka, while facing off against the cause of the fog—a ghost ship and its pirate captain!