Historia
The story of the light novel series and manga follows a 29-year-old programmer who is on a "death march," but one day he wakes up in another world after a nap. From a meteor shower he happens to gain vast riches, and he decides to go sightseeing. So begins his "heartwarming, occasionally serious, and harem" adventure in another world.
Sinopsis vía AniList (en inglés).