AHEAD Series: Owari no Chronicle (4) II

is part 2 of the fourth volume of the Owari no Chronicle light novel series, written by Minoru Kawakami and Illustrated by Satoyasu (TENKY). It was released under the Dengeki Bunko Imprint in January 2005.

Synopsis
Sayama and Shinjo try to fulfill the "promise" with 4th-G that was made in their grandfather's generation, but what is the true meaning of the "promise" that 4th-G had hidden !? , Whereabouts of the all-dragon negotiations with 5th-G that started to move in an unexpected direction by a certain document !? The world of plants 4th-G and the world 5th-G controlled by the machine dragon. The promise made by 4th-G with a person who once had Sayama's surname gives a new answer and mystery to the whole-grain negotiations, and 5th-G seeks a settlement. Each has their own feelings of the past, and the whole-grain negotiations with the two worlds are completed here! The 9th installment of the popular AHEAD series.

(Source: Amazon JP - Translated)