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!

After being transported to another world, one man’s mission is to rebuild a kingdom. He has a very particular set of skills and he’s ready to face any obstacle because…who dares, wins! Monster, dungeon, and war stand no chance against the special forces!