Topic summary
Hello Pro Egg
Extracted from the Wikipedia article Hello Pro Kenshusei.
Hello Pro Kenshusei (ハロプロ研修生, Haro Puro Kenshūsei; lit. "Hello Pro Trainees"), formerly known as Hello Pro Egg (ハロプロエッグ) until January 2012, is a pre-debut training group established by Japanese entertainment agency Up-Front Group within Hello! Project in 2004.