Gunota ga Mahou Sekai ni Tensei Shitara, Gendai Heiki de Guntai Harem o Tsukucchaimashita!?
Gun-Ota ga Mahou Sekai ni Tensei shitara / Gendai Heiki de Guntai Harem wo Tsukucchaimashita!? / Kun Ota Chóan-sè Mô͘-hoat Sè-kài / Kō͘ Hiān-tāi Bú-khì Khai Kun-tūi Hō͘-kiong!? / Quand un fana des armes est réincarné dans un monde de magie / il met en place une armée harem avec des armes modernes!? / When a Gun Nerd is Reincarnated to a World of Magic / He established a Harem army with Modern Weapons!? / กันโอตะได้กลับชาติมาเกิดใหม่ในโลกที่มีเวทมนตร์ เล่ม!? / 军事宅转生到异世界 / 军武宅转生魔法世界 / 军武宅转生魔法世界，靠现代武器开军队后宫！？ / 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 / 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いました!? / 軍人再生記 (Classical Chinese) / 軍武宅轉生魔法世界，靠現代武器開軍隊後宮!? / 군대 오타쿠가 마법세계에 환생하여 현대병기로 군할렘을 만들어 버렸습니
After a life marked by hardship, former hikikomori Hotta Youta is killed by a drug addict while returning home from work. He awakens in a dreamlike realm, reborn as a baby named Lute, but keeps his memories of contemporary Japan. In this new world of magic, Lute draws on his knowledge of firearms and metalworking to help himself survive. After discovering the rare magical tool known as Magic Liquid Metal, he makes guns for himself and his childhood companion, Snow.