Nakime is a demon that can control the infinitNakime is a demon that can control the infinity castle with her biwa. Her backstory she was a average  ￼biwa player who married a gambling attic, ￼￼nakime was struggling to get money  from her performances￼ . One day her husband sold her performance dress what enrage Nakime so much she killed him using a hammer moment before going on stage. Bloody and with ragged clothes Nakime played and gave the best performance she had done and was paid greatly .