I'm in love with a stranger...
Han Byul - A student, 21 years old Park Chanyeol - A student, 23 years old, a part-time musician, Byul's boyfriend Park Suho - Chanyeol's older and only brother, secretly falling in love with Byul
Han Byul - A student, 21 years old Park Chanyeol - A student, 23 years old, a part-time musician, Byul's boyfriend Park Suho - Chanyeol's older and only brother, secretly falling in love with Byul