To investigate a shipwreck, Kitaro visits a port city alone, but none of the residents will talk to him. Kitaro pushes ahead with his investigation, but Ratman's betrayal causes him to be caught by a giant squid. Merpeople appear! The shipwreck was their doing. Kitaro fights desperately, but the merpeople use deep sea youkai techniques to change their form and...!?
The world you see isn't all there is.
.العالم الذي تراه ليس كلّ شيء
Die Welt, die wir sehen, ist nicht alles.
El mundo que ves no lo es todo.
Il mondo visibile non è tutto.
O mundo que se vê não é tudo.