My job is to investigate other worlds!　~ A dull ex-salesman, but easily liked by girls of different

My job is to investigate other worlds!　~ A dull ex-salesman, but easily liked by girls of different races, but he has a lot of trouble and is unaware of it~. - A story about an old man who is a former company employee who gets a job with God's company and is supplied with modern weapons, and is sent to another world to investigate and have adventures.The protagonist's strength is there because of his modern weapons and ideas, and the description of battle is modest, mainly about meeting and interacting with people from other worlds and everyday life. He shares his hardships with his cute and reliable friends, and connects with the people he meets.