Meikyuu: Labyrinth Kingdom, A Tactical Fantasy World Survival Guide
迷宮キングダム 特殊部隊SASのおっさんの異世界ダンジョンサバイバルマニュアル!
NOVELfinished2019
Synopsis
After being transported to another world, one man's mission is to rebuild a kingdom. He's ready to face any obstacle because...who dares, wins! (Source: Yen Press)