Demon's Ear

Demon's Ear summary:

Cold Demon President Lau Yuhan experience hallucinations, which makes him hear different thoughts of the people around him, he suffers from it a lot. One day he accidentally heard the voice of a girl, a singer unknown to him. Strangely enough her voice makes a soothing sound that makes his hallucinations disappears. What will the president do now that he found a cure for his illness?