Mōryō no Yurikago(魍魎の揺りかご , lit. "Cradle of Monsters"?) is a manga series written and illustrated by Kei Sanbe. The series ran from 2010 to 2012 published by Square Enix and serialized in their Young Gangan magazine. The series has been published in French by Ki-oon under the title Le Berceau des Esprits.
The series focuses on a group of students trapped on a capsized sunken ship at the bottom of the ocean with no memory of how they got there while they fight for survival against an isolated zombie apocalypse on the ship and try to escape with their lives and sanity intact.