Yoona

A professional korean actreess who've never fall for her co-stars. She's a very warm person but being warmer than before because of met someone. Her co-stars always tried to make Yoona being them's, but thst's really hard because Yoona is a professional actreess.

Ji Chang Wook

A professional korean actor who've been failed in his lovelife. He's very heartwarming but sometimes he can be cooler than ice cream. He's becoming unbelievable after met someone who've been succeed to make him falling in love.