Travel Companions

After an unfortunate accident involving a certain lightning bolt, fifteen-year-old Mochizuki Toya dies—but when he wakes up, he finds himself facing God.
—It’s regrettable to say this, but I made a slight mistake…—mourns the old man.
But not everything is lost! God offers Toya a chance to be reborn in another world—a world of sword and magic—and, as an apology, allows Toya to take a smartphone with him.
That’s how Toya’s adventures begin in a new, outdated pseudo-medieval world! Toya sets off on a thrilling, carefree journey, visiting all sorts of places. Along the way he meets many different people, gaining important companions—and before Toya even realizes it, he discovers a secret of this world: he gets the legacy of an ancient civilization! Friends! Joy! Sorrow! Amazing machines! An exciting story of swords, magic, and smartphone mobile apps begins!