| Title | Rating | Synopsis |
|---|---|---|
| S | ||
 Spiral |
Rent | Spiral is a mystery detective story serialized on Gangan magazine. The main character of the story are Madoka Narumi, her younger brother, Ayumu Narumi and Kiyono Yuizaki, a noisy girl who runs newspaper publication in the highschool. Together, they are trying to solve mystery by reasoning and putting even the smallest clues together. |
| Spiral ~Bond of Inference~ | Rent | See Spiral |
| Spiral ~Bond of Reasoning~ | Rent | See Spiral |
| Spiral ~Suiri no Kizuna~ | Rent | See Spiral |
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