Ayumu Narumi

This is a list of characters from the Japanese manga and anime series Spiral: The Bonds of Reasoning and its prequel, Spiral: Alive.

Several of the main characters in Spiral: Alive are new characters. Several characters from the original series appear in Spiral: Alive and play key supporting roles, including Kosuke, Ryoko, Rio, Kiyotaka, and Kirie.

...
Wikipedia