Grandparent

In the amidst of darkness, Goku sees that man again. A blurry image of a tall, long-haired blond man dressed in white. The boy blinked. Has he ever met that man before? His lips trembles as they moves by themselves uncontrollably, trying to call a name that suddenly surfaces his mind. "Ko ... Kon —," / "Yes," the man smiles, "I am Koumyu." Wait! What!