At Bill and Fleur's wedding, Harry Potter met a strange red-haired young man. He seemed to remember nothing, not even who he was, but when he saw Harry who drank Polyjuice Potion, he blurted out his name. Harry seemed to be the only person in the world that he remembered. He was taken away from the wedding scene by Harry by accident, and was involved in the trio's escape and Horcrux destruction journey, becoming their life-and-death travel companion. During the thrilling journey, his travel companion has always been by Harry's side. Together with Harry, he discovers bit by bit the unknown past of Harry's beloved mentor, and finally understands who he is...
HPAD clear water has no difference, it will be more ambiguous than pure warmth.