天使里的魔鬼魔鬼中的天使
[tiān shĭ lĭ de mó guĭ mó guĭ zhōng de tiān shĭ]
'Angel Among Devils and Devil Among Angels' conveys the concept of dual personalities - good and evil. The user might wish to possess an appealing balance of good and naughty characters, suggesting that there’s always good within bad and vice versa.