她是我的精神病友她是我的黑衣魔鬼
[tā shì wŏ de jīng shén bìng yŏu tā shì wŏ de hēi yī mó guĭ]
This name describes a complex relationship involving someone who shares psychological issues (psychiatric friend) but also has a dark, tormenting side (black devil). It suggests an intricate dynamic of support and conflict.