When a Gun Nerd is Reincarnated to a World of Magic, He established a Harem army with Modern Weapons!? ; Gun-Ota ga Mahou Sekai ni Tensei shitara, Gendai Heiki de Guntai Harem wo Tsukucchaimashita!?; Heiki de Guntai Harem wo Tsukucchaimashita!?;
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