Gunota ga Mahou Sekai ni Tensei Shitara, Gendai Heiki de Guntai Harem o Tsukucchaimashita!?軍オタが魔法世界に転生したら、現代兵器で軍隊ハーレムを作っちゃ (Japanese); 군대 오타쿠가 마법세계에 환생하여 현대병기로 군할렘을 만들어 버렸습니 (Korean); 军事宅转生到异世界 (Chinese); Gun-Ota ga Mahou Sekai ni Tensei shitara, Gendai Heiki de Guntai Harem wo Tsukucchaimashita!?; Heiki de Guntai Harem wo Tsukucchaimashita!?; When a Gun Nerd is Reincarnated to a World of Magic, He established a Harem army with Modern Weapons!? (English)