The Miracle of the Heart (2006)

Techo is a millionaire. Unfortunately, he has a heart disease since he was born. After his parents passed away, he became despaired and lived his life heartlessly. He doesn't care for everyone and anything and likes to risk his life doing dangerous activity. So, everybody sees him thinks that he is a mean and heartless guy. Later, Doctor Sakarin, his personal doctor gets an idea to use art therapy to soothe Techo's mind, so he hires Morin, a jobless artist to teach Techo and inspire him to want to continue his life and wait for a new heart transplant. Eventually, Techo falls in love with Morin