It's been almost a half-century since Japanese singer Kyu Sakamoto had a No. 1 with Sukiyaki. With Asia now being the rage in high-tech and youth culture, some wonder who'll be the next Asian singer to hit it big in the West. To all but Comedy Central's Stephen Colbert, Korea's Rain was a bust, and now he's being sued for millions by an American promoter. Flack chatter predicts that BoA will match her Korea-Japan crossover with a breakthrough in the U.S. market, and New York-born Utada Hikaru, daughter of '60s Japanese enka sensation Fuji Keiko, seems to be on a never-ending world tour. But KPOP star Sung Si Kyung, a nerdy, bespectacled 29-year-old honey-throated balladeer who won a recording contract over the Internet may emerge as the first star created by downloads and streaming video . But Sung's international stardom will have to wait until he completes a mandatory 27-month stint in the South Korean army. Here's Who Do You Love in Sung's unaccented English pop vocalese.