Under Log Locking

is a Japanese light novel series written by Ki Naze, with illustrations by Izumi Kazuto. The series began publication on June 10, 2003 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
The Seven North Recapture Army was organized to regain the Seven North City that was stolen long ago. A war that you don't know when it started. Spring and Yukio, who were drafted at the age of 10 and turned 14, boarded the 11th airship gun as a sniper and had endless days of battle. A ship equipped with a recoilless rifle that slowly flies in the air in the moonlight. The sunset seen between battles. The wind that blows through the meadow. A sniper room full of graffiti for only two people. In the daily life of an unrealistic war, Haru and Yukio sometimes remember their nostalgic hometowns that they cannot return to, and live as hard as they can while needing each other. However, eventually they ...