I'm a NEET but When I Went to Hello Work I Got Taken to Another World

The 23-year-old NEET Masaru Yamano went to Hello Work and found an interesting job offer. _"A sword and sorcery fantasy, playtest for Miniature Garden of Razgrad World. Extended period of time, preferred to be able to live on-site. Monthly salary of 250,000+ yen."_ He immediately goes to the interview and signs a contract. However, the place of employment is another world. Because of the contract, he’s taken there. To survive, Masaru receives a cheat, but he is told the shocking truth: the world will be destroyed in 20 years! Can a simple NEET prevent the destruction of the world?!