BOA is not a Japanese. It is a Korean, but is active in Japan. Both the dance and the song are wonderful. Korean / English / Japanese is possible.
This article is about the Korean pop singer. For the British rock band, see Bôa. For other uses, see Boa (disambiguation). Boa Kwon (born November 5, 1986 in Guri, Gyeonggi-do, South Korea), commonly known by her stage name BoA, is a multilingual Korean singer. The letters of her first name have been backronymed by her fansto Beat of Angel. She has been active in both South Korea and Japan. Aside from Korean, BoA also speaks Japanese and conversational English  . She has also released a number of Chinese songs, although she is not able to speak the language itself[