వివరణ
Spiral: The Bonds of Reasoning is a Japanese manga series written by Kyou Shirodaira and illustrated by Eita Mizuno. It focuses on Ayumu Narumi and his efforts to solve the mystery of the Blade Children, cursed geniuses with cat-like eyes lacking a seventh rib bone. The series was published from 1999 to 2005 and collected in 15 bound volumes. A prequel series called Spiral: Alive was also published.
