Soshite Itan no Assembler II Gendai Majutsu-shi, Sennen Mae ni Teni Saserare Tanode Aratana Rekishi wo Tsukuru

is the second volume of the Soshite Itan no Assembler light novel series, written by Eichida and Illustrated by Ayami. It was released under the Dengeki Bunko Imprint in July 2019.

Synopsis
Elliott, a student of Sobulm Magic Academy, who moved a thousand years ago by chance. To return to the future, he was supposed to fall asleep until the "Great Disaster" was settled by the time magic, making full use of cutting-edge magic. However, when Elliott and his friends wake up, the magic tower that supplies the magical power required for time magic has stopped functioning, and the surrounding area is surrounded by soldiers from the enemy country-- !? Can Elliott and his friends survive a worse situation than before they fell asleep !? The second fantasy about history is here!

(source: Dengeki Bunko Official Website - Translated)