Actors Lee Min Ho, Park Shin Hye, Kim Woo Bin, and Kim Ji Won of SBS drama "Heirs" sent their cheer messages to high school seniors for the annual college entrance exam on November 6, 2013.

The four actors released the cheer messages in pictures through the production team of "Heirs." The Empire high school's four main actors in pictures showed pretty smiles and caring "fightings."

An official from the production company, Hwa & Dam Pictures, said, "Since the actors are playing high school students in 'Heirs,' they wanted to celebrate and cheer up the students for this year's annual college entrance exam."