D9 -Daemon Master of Lost Ark- II

is the second volume of the D9 -Daemon Master of Lost Ark- light novel series, written by Yu Ueno and Illustrated by Kokonoka. It was released under the Dengeki Bunko Imprint in May 2014.

Synopsis
The girl devil Mel and the devil-possessed boy Soma are traveling the world in search of Soma's older brother. With the addition of Fam, a girl who aims at the philosopher's stone, the trip becomes more lively. During the journey, a knight possessed by an "angel" stands in front of Soma. Soma struggled with a knight who used a long sword and fell into the river, but in the meantime, the whereabouts of the knight and Fam became unknown. Soma and his friends in search of Fam arrived at Lake Cleon, which was crowded with the pulling up of lost artifacts. The second demonic action set in a continent controlled by demons, magic, and a group of lost machines!

(source: Bookwalker JP - Translated)