スパイラル -推理の絆-
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. (Source: Anime News Network)
Names
| Original | スパイラル -推理の絆- (japanese) |
|---|---|
| Romaji | Spiral: Suiri no Kizuna |
| English | Spiral: Bond of Reasoning |
| Chinese | 推理之绊 (simplified · via wikidata) |
Facts
| Format | TV series · 25 ep · 23 min · 10h total |
|---|---|
| Aired | 2002-10-01 → 2003-03-25 (Autumn 2002) |
| Status | FINISHED |
| Studio | J.C.STAFF |
| Source | Manga |
| Origin | Japan (Anime) |
| Demographic | Shounen |
| Genres | ComedyDramaMystery |
| Themes | DetectiveMale ProtagonistConspiracyShounen |
Reception
| Community score | 6.80 / 10 |
|---|---|
| Bayesian score | 7.09 / 10 |
| Composite | 48.7 |
| On lists | 8,088 |
| Favourited | 85 (1.1%) |
| Completion | 78.0% |
| Drop rate | 8.3% |
| In backlog | 41.6% |
| Score spread σ | 1.86 |
Score distribution
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Where it places
| Cohort | Value | Tier | Rank |
|---|---|---|---|
| Broadcast season | Autumn 2002 | D | 21 of 36 |
| Year | 2002 | C | 65 of 142 |
| Studio | J.C.STAFF | D | 160 of 277 |
| Era | Early 2000s | C | 337 of 687 |
| Genre | Mystery | D | 433 of 652 |
| Length | Two-cour | D | 461 of 699 |
| Demographic | Shounen | D | 880 of 1,219 |
| Season (all years) | Autumn | D | 1,052 of 1,921 |
| Genre | Drama | D | 1,283 of 1,917 |
| Genre | Comedy | D | 1,788 of 3,488 |
| Source material | Manga | D | 1,840 of 3,025 |
| Format | TV series | D | 1,849 of 3,322 |
| Origin | Japan | D | 3,683 of 7,157 |
Key staff
| Director | Shingo Kaneko, Yoshinori Hirose, Youhei Suzuki |
|---|---|
| Series composition | Natsuko Takahashi |
| Character design | Eita Mizuno, Yumi Nakayama |
| Original creator | Kyou Shirodaira, Eita Mizuno |
AniList id 341 · MAL id 341 · record updated 2026-08-26