[New Detective Alliance][exhibition] Between Black and White

First release: http://tieba. Baidu. Com/p/4177808286 (November 24, 2015) The coach said that every couple must play the piano (what the hell)... A song that I remembered the first time I heard it. It feels unpopular but not unpopular →_→. I wonder if anyone has heard it... It was only after so long that I saw the lyrics and realized... This definitely doesn't look like BG... A certain day of a certain month - Promise Intention: