DADDYFACE Medusa

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

Synopsis
An old man who suddenly suffered and died at the Yuki main residence. There were as many as 27 wounds on his entire body that "mostly seemed to have been cut by himself, given the suture marks." On the other hand, colds were very prevalent in the world. He was a cheerful grass-cutting eagle, but his anxious partner-Miki Mato seems to have suffered from the cold ... In addition, all the intricately intertwined situations invite the father-daughter treasure hunter, who is 9 years old, to the phantom land! What is waiting for you ...! The long-awaited 4th installment of the super popular series.

(source: Amazon JP - Translated)