混世大魔王的酷炸小仙女酷炸小仙女的混世大魔王
[hùn shì dà mó wáng de kù zhà xiăo xiān nǚ kù zhà xiăo xiān nǚ de hùn shì dà mó wáng]
Translating literally to 'The World-Blasting Little Fairy and the Chaotic Demon King Who Blasts Everything'. This nickname likely indicates someone who wants to appear powerful, unique, or influential in a mischievous yet charming way.