A brief description of the manga The gunner’s life of a middle-aged man summoned to another world and armed with a rifle: an airsoft addicted salaryman returns to the alternative world after work:
The middle-aged man and airsoft enthusiast Daisuke Koga is summoned to a different world on his 40th birthday. Given the ability to turn airsoft guns into real guns, Daisuke must save the other world while traveling back and forth between reality and the fantasy world. Alongside female swordsman Rena, Daisuke becomes the only gun user and dominates in the fantasy world after work!
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