English: Spiral: Bond of Reasoning
Japanese: スパイラル -推理の絆-
Aired: Oct 1, 2002 to Mar 25, 2003
Genres: Drama, Mystery, Shounen
Rating: PG-13 – Teens 13 or older
MAL: Spiral: Suiri no Kizuna (Spiral: Bond of Reasoning)
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 their destiny.