I WiSH is a Japanese pop group consisting of two members, Ai Kawashima and nao. Ai is responsible for the vocals and occasionally plays the piano also with nao on the keyboard or piano. Their most notable track is "Asu e no tobira" (明日への扉) and was in the Oricon rankings for over a year. [1]
Nao learned the piano when he was 5 years old. He started making original music, for example "Asu e no tobira" (明日への扉), "Futatsuboshi" (ふたつ星), "Yakusoku no hi" (約束の日) and so on. He won the grand prix held by YAMAHA. According to his web site, he has a perfect pitch.