Secret

This is the first day Lun admitted to Tamkang Secondary School. When he walks through the campus with his classmates, a mysterious piano solo draws his attention. He follows the song and finds that an ethereal girl is playing piano in the old music room.

The piano girl is Yu, one of Lun's classmates. She is always late for school and sits next to Lun at the back row. The two become intimate friends and spend a lot of time together. "What's the melody you played the first day we met?" asked Lun, "That's my secret." Yu whispered in his ear.