我虽姓洛可你心却不落我城
[wŏ suī xìng luò kĕ nĭ xīn què bù luò wŏ chéng]
This name uses wordplay: 'I have the surname Luo (which means ‘falls’ in another context), but you do not fall for me.' The user feels unreciprocated affection despite having given their heart fully.