The pictures above are from T-ara's Eunjung new drama, Taking Over.
In the first picture, Eunjung seems reading her lines for the drama and in the other pictures, she is smiling brightly.
Source: T-ara DC + Ka* + tiaradiadem.com
[Photos] Eunjung filming drama "Taking Over"!
Source: T-ara DC + Ka* + tiaradiadem.com