Jang Ha-jin who was a trainee at S.M, Entertainment, picks out a book at a university library in Daejeon December 18, 2014. Jang made it to S.M. Entertainment's coveted training programme a decade ago after winning a talent contest. She stuck to a seven-day regimen for nearly three years, before giving it all up to return to a more sedate life. (Photo by Kim Hong-Ji/Reuters)
