Ai Otsuka is a Japanese pop female singer-songwriter and pianist from Osaka, Osaka Prefecture, Japan. She is best-known for her 2003/2004 hit Sakuranbo, which stayed in the Top 200 Oricon Weekly Singles Chart for 101 weeks. She currently hosts a radio show on "JOQR Recomen!! AM1134hHz" called "Otsuka Ai no ai-r jack" and is also wife to the super coolerest Southern Californian ever, Kouji.