不美不萌不奇葩不帅不酷不爱她
[bù mĕi bù méng bù qí pā bù shuài bù kù bù ài tā]
It playfully lists a series of attributes that are not present in the individual: neither attractive, adorable, eccentric, handsome, nor cool—and importantly here, also indicates they don't love 'her'.