Noriko Sakai is a Japanese singer and actress. Under her former stage name Nori-P, Sakai released her first single, "Otoko no Ko ni Naritai" on February 5, 1987, nine days short of her sixteenth birthday. Over 40,000 copies of the single were sold. She is particularly popular in Hong Kong and Taiwan. Her best-selling single to date is "Aoi Usagi". In August 2009, Sakai was arrested on suspicion of possession and abuse of drugs and sentenced to probation for three years.