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Across the world, Sung-Soo (성수 , Sung-Soo ) is quite a rare primarily masculine, but very infrequently female first name. The first name Sung-Soo is characteristic of South Korea, where it is quite a rare primarily boy's, but scarcely feminine name, and Germany, where it is a very rare boy's name. Parts of the name also exists independently as a last name Sung, and a last name Soo.