Neet Dakedo Hello Work Ni Ittara Isekai Ni Tsuretekareta

the neet yamano masaru (23 y/o) went to hello work and finds an interesting job offer. [a test play of the miniature garden “razgrad world.” extended period of time, preferred to be able to live on site. monthly salary of 250,000commission.] 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 received a cheat, but he is told the shocking truth. “this world will be destroyed in 20 years.” can a simple neet prevent the destruction of the world?!