你是深海我愿溺亡久溺深海你冷不冷
[nĭ shì shēn hăi wŏ yuàn nì wáng jiŭ nì shēn hăi nĭ lĕng bù lĕng]
This name expresses the speaker's intense feelings toward a person. They metaphorically say that if this person (you) is the deep sea, they are willing to drown in it (sacrifice or devote themselves). They ask 'Are you cold in the depth of the sea?', which could suggest the loneliness, mystery, or unfathomability of the person