The Secret Lover Who Holds His Hands

From Chinatown KM:

Second-year high-school students, in the orchestra, Xia Chun enjoys life with her best friend Hao Leying. But one day, Hao Leying tells her that romance is the real reason for his love of music. He also says claims that he has a "Top-secret Crush". The thing is...he doesn't really seem to care about changing girlfriends at all! So, Leying... who is this girl...?