Once, coming back home, the young man has decided to investigate the old house. Having risen on an attic, he has found out the big box with the name of Simajo: The Travel Mystery Game. He opens a box, and suddenly it tightens inside. He has come to be in the strange world, very similar to ours.
Inside, the young man has met Mr.Guide, who promised to help to get out, in exchange for its services. Finally it was found out that Mr.Guide is a local deity and what to get out from game, it is necessary to pass her up to the end. At the protagonist does not remain choice, except how to agree on Mr.Guide conditions.