Double Breed IV

is the fourth volume of the Double Breed light novel series, written by Erika Nakamura and Illustrated by Takehito Harada. It was released under the Dengeki Bunko Imprint in November 2000.

Synopsis
The two who met will surely be separated ... The transport vehicle carrying the corpse of Sachiko Takahashi was on fire, and the corpse had disappeared for some reason. On the other hand, Taichiro heads for Yuuki with a certain determination before the secondment, but finds Sachiko Takahashi, who is wandering while losing his memory. Taichiro and Yuki are in conflict over the treatment ...!

(source: Bookwalker JP - Translated)