灰色地带仙度瑞拉黑白照片假面告白
[huī sè dì dài xiān dù ruì lā hēi bái zhào piàn jiă miàn gào bái]
This can be understood as a 'confession from a gray area Cinderella black-and-white photo mask,' blending a tragic fairytale feel (like Cinderella’s magical night being temporary and fleeting, ending up with melancholy) with the notion of hiding true feelings behind a mask while confessing in a monochrome photo-like environment.