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Ryuk is of the opinion that the game of cat and mouse between L and Light should never end, and he has a few secrets of his own. Ryuk is more closely joined with Light through the death note than Light ever imagined. When Ryuk dropped his death note, he was seeking some humanity. As long as Light owns the death note, Ryuk's body is able to change into a form that looks something like Light for a short time each day. Ryuk is interested in having as much fun with Light as possible, in every sense of the word. He leaves clues for L just to screw with Light and, at night, when Light and Ryuk are alone, Ryuk screws with Light in a completely different way.