LOVE SICK! - 처음이었죠

Though she's tough and bright-spirited on the outside, Jung Eunji suffers from a chronic heart disease. Her heart is so weak that she would have to get a heart transplant to replace her sick damaged heart.
She soons grows weak and begun to fear death as it nearly approaches. Eunji nearly commits suicide but was saved just in time from a random stranger, Nam Woohyun.
Fortunately she had found the right perfect heart donor that had already passed away and successfully transplanted her heart with a new and healthy one.
After she was released from the hospital, she thought that she could finally live her life like other normal ordinary teenage girls.
But little did she know that she and the mysterious playboy Nam Woohyun will meet again, turning her world is completely upside-down.
Not only that, every time she's around Woohyun, Eunji's heart tends to beat faster than it's normal pace without knowing why..