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; Gun-ota; Gun-Ota ga Mahou Sekai ni Tensei shitara, Gendai 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!?