A post-apocalyptic boss aspires to dominate the entertainment industry

One sentence introduction: She reconciled with herself through performance.
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When she was about to die, she "traveled" to the apocalypse, fought for thirty years and finally tore up the system and came back again, but was planted with the seeds of murderous mania. Since then, there has been a professional villain in the entertainment industry. He has superb acting skills and has won the best actor crown many times.
Keywords: woman disguised as a man, drama within a drama, fan-loving maniac, copying of official documents