In the year 220X, 5th grader Subaru hoshikawa, mourning his father's death, is given an invention, made by his father, called a visualizer, which allows him to see radio-wave based aliens, w... Read allIn the year 220X, 5th grader Subaru hoshikawa, mourning his father's death, is given an invention, made by his father, called a visualizer, which allows him to see radio-wave based aliens, which are trying to destroy the world. Together, with an alien named omega-xis, he fights t... Read allIn the year 220X, 5th grader Subaru hoshikawa, mourning his father's death, is given an invention, made by his father, called a visualizer, which allows him to see radio-wave based aliens, which are trying to destroy the world. Together, with an alien named omega-xis, he fights to save the earth.