"The final round. No resets. No retries. Your true color... was always black inside the rainbow."
Mirror mirror on the LCD Who's the fool who wanted to be free? Log in, log out, but the data stays Scars become the algorithm's maze
Ni-ji-iro no ni-ji... Mienai... mienai... Game over. Play again? (Deny / Accept)
It sounds like you're looking for a for a song or story titled "Roshutsu Playing Game -Final- -nijiirononiji-" .