Not everyone wants to go to another world.

A youth named Narugami Hideki, who was unable to reach the end of his lifespan, is reincarnated into an underdeveloped parallel world compared to Earth. During this process, a certain incident occurs between him and a goddess, causing his soul to become filled with a large amount of the goddess's blood. This is a story depicting the daily life in a parallel world of a boy who unexpectedly came to possess the power of a goddess, the magical beasts that follow him, and the slaves he encounters. His goal is to live out a full lifespan and return to an Earth-level developed world!!