你是我的王妃我是你的妃子
[nĭ shì wŏ de wáng fēi wŏ shì nĭ de fēi zi]
In English, this reads 'You are my queen, and I am your concubine,' expressing mutual devotion with roles akin to royalty, although this setup might reflect traditional narratives where monogamous relationships don't apply.