You're My Pet (2011)

Cast
Kim Ha-neul (김하늘) as Ji Eun-i (지은이)
Jang Geun-seok (장근석) as Kang In-ho (강인호)
Yoo Tae-joon (류태준) as Cha Woo-seong (차우성)
Jeong Yoo-mi (정유미) as Lee Yeong-eun (이영은)
Choi Jong-hun (최종훈) as Ji Eun-soo (지은수)
Kang Ha-neul (강하늘) as Yang Yeong-soo (양영수)

Trailer

Synopsis
A fashion editor with the looks and the brains moves in with a perfect pretty man. This romantic melodrama is based on a Japanese comic that was also made into a drama in Japan.