DADDYFACE Medusa II

is the fifth volume of the DADDYFACE light novel series, written by Masanori Date and Illustrated by Nisieda. It was released under the Dengeki Bunko Imprint in September 2003.

Synopsis
Cruiser nuclear missile robbery in the Mediterranean. It was a declaration of war on the world by the "Atlantis"! A grass-cutting eagle and his daughter-Misa Yuki, who landed on a phantom land to recapture nuclear weapons. What they saw there was a rusty steel city that swirled white smoke ... the capital city of Poseidia, which had undergone an amazing transformation. On the other hand, there are many people on the ground who collapse due to a mysterious strange disease. What is happening to humankind now !? And the fate of the 9-year-old father and daughter Treasure Hunter is ...! The "Medusa" edition presented on the largest scale in the series. The long-awaited sequel is here.

(source: Amazon JP - Translated)