凉薄少年亦冷心追梦少女心亦冷
[liáng bó shăo nián yì lĕng xīn zhuī mèng shăo nǚ xīn yì lĕng]
Referring to both parties as having rather indifferent personalities: a cold-hearted teenager dreaming while also having a chilly hearted girl who pursues dreams. Both characters possess certain aloofness or dispassion.