Ren Amamiya, helping out at Leblanc, casually grabs a crossword puzzle magazine on the table. That’s when he finds the parting message “Proof of Justice” was left in the corner of the crossword puzzle with Akechi’s handwriting. In order to find the meaning of this concept, Ren takes a walk in the city under the winter sky, tracing his memories of Akechi. The meaning of his words soon become clear, and Akechi’s thoughts are…