Moving into a fantasy world

In Toki, in one of the small houses, a mysterious boy lives a somewhat ordinary life. One day, in some way, he summons one of the spirits that will take him to another world, and here begins his adventure in which he seeks to become stronger for the sake of his mysterious goal.

The story of a teenager who found his grandpas magical book, that gave him powers to teleport to other worlds and learn new powers. Finding a robot in one of the worlds that help him with that.