你是我的刺青恋人你是我的噬骨情人
[nĭ shì wŏ de cì qīng liàn rén nĭ shì wŏ de shì gú qíng rén]
This username expresses a deeply intense and painful relationship. 'Tattoo lover' implies an indelible connection, while 'bone-consuming lover' suggests the relationship is overwhelmingly passionate and all-consuming, leaving an unerasable mark.