Bii (traditional Chinese: 畢書盡; pinyin: Bì Shūjǐn; hangul: 필서진), born July 7, 1989 in Seoul, South Korea is a Taiwanese-South Korean singer, guitarist, and drummer. He debuted on July 9, 2010 with the EP, "Bii", and has released three albums since then. Born and raised in South Korea, Bii's father is Taiwanese and his mother is Korean. At the time of his birth, South Korean nationality law did not allow women married to foreigners to transmit their nationality to their children, so he only held Republic of China nationality.