1) Japanese pop music group 2) South Korean boy band 
Apeace (in Japanese, エーピース; in Korean, 에이피스), formerly known as Double B 21 (더블비21) or Double B, is a boyband from South Korea. All members are Korean, although they work in Japan. The group was the largest K-pop boy band, with 21 members, until 30 June 2014, when it changed to 15 members. The group is subdivided into three...