2NB

2NB (Korean: 투앤비) was a South Korean duo signed under Friday Entertainment that debuted in 2006. The duo consisted of Heo Solji and Kim Song-yi. They released their debut single "The First Fragrance" on March 31, 2006. The group disbanded in 2012. Shortly afterwards, Heo Solji became a leader of the girl group EXID, which debuted that same year. Also, Kim Song-yi became a leader of the girl group Blady, which was in 2015.