Hot Playmate. Hiromi Oshima (born on 6 January 1980 in Tokyo) is a Japanese model and in June 2004 became the first Japanese Playboy Playmate. At the time of her centerfold, she was residing in Miami Beach, Florida. In addition to appearing in the June 2004 Playboy centerfold, she has also starred in a number of Playboy videos as well as Playboy Special Editions.