Not My Fault

I met a mysterious black cat and was led into one fateful mystery after another. I thought I was just a passer-by, performing on stage and leaving silently after the performance. But when the curtain fell and the lights went out, I was shocked to realize—— I can't find my way back. I solved their predicament and redeemed their lives, but I trapped myself in a maze of intertwined characters. Their memories and obsessions are entangled and torn apart from my original soul. When I am no longer complete, when I no longer simply belong to any name, Who am I?