Gong Yoo
Hello My Teacher (; lit. Biscuit Teacher and Star Candy) is a 2005 South Korean television series starring Gong Hyo-jin, Gong Yoo, Kim Da-hyun, and Choi Yeo-jin. It aired on SBS from April 13 to June 2, 2005 on Wednesdays and Thursdays at 21:55 for 16 episodes.