On his way home from his office, the main protagonist drove and ran over a big dog. At that moment, he heard the sudden sound... more>> of a voice inside his head. [The monster has been subjugated, gaining experience points.] "Eh?" Before anyone knew, the world has changed. Monsters appear, this is a game-like world where levels, skills, and status exist. This is an adventure where the modern world becomes fantasy and where the main protagonist has to strive hard for his survival. <<less

A boy with the power to create the strongest weapon meets a girl who must take his sword in her hands to save the world.