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

A middle-aged man and airsoft enthusiast is summoned to a different world on his 40th birthday. Given the ability to turn airsoft guns into real guns, he must save the other world while traveling back and forth between reality and the fantasy world.