Ayumu Narumi's older brother Kiyotaka, a renowned detective and piano player, disappears all of a sudden. The only clue Narumi has, are the Blade Children. Two years later a row of murders and incidents begin, relating to the Blade Children. Together with school journalist, Hiyono Yuizaki, Narumi tries to figure out… This comedy, drama, and mystery anime from J.C.STAFF debuted in Fall 2002. It ran for 25 episodes and is finished.
Spiral: Bond of Reasoning has 25 episodes and is finished.
Spiral: Bond of Reasoning was produced by J.C.STAFF and released in 2002.
Spiral: Bond of Reasoning is classified under Comedy, Drama, Mystery.
Spiral: Bond of Reasoning premiered in Fall 2002.
The opening theme of Spiral: Bond of Reasoning is "Kibouhou".
The ending theme of Spiral: Bond of Reasoning is "Cocktail".
