冷城先森妖孽范花街菇凉妖娆范
[lĕng chéng xiān sēn yāo niè fàn huā jiē gū liáng yāo răo fàn]
It refers to an elegant yet seductive young man ('Mr. Cold City') and a lively, charming girl ('Miss Flower Street'). This reflects contrasting personalities that attract each other. '妖孽范' (yaoniao style) and '妖娆范' (yaorao style) mean attractive or enchanting in a peculiar way respectively, often implying an alluring personality with charm and charisma.