| In this world, creatures like vampires and werewolves still walk about, but Aya Rindo can’t say the same for herself. This beautiful disembodied head, carried by her maid Shizuku Hasei, is a detective in search of her stolen body. One evening, they meet half-human Oni Slayer Tsugaru Shunichi, who offers a lending hand. Now, the trio is traveling through Europe, solving mysteries along the way. |
| Name | Character | Episodes |
|---|---|---|
| Taku Yashiro | Tsugaru Shinuchi (voice) | 13 |
| Tomokazu Sugita | Aleister Crowley (voice) | 5 |
| Ayaka Asai | Alice Rapidshot (voice) | 5 |
| Shinichiro Kamio | Reynold Stingheart (voice) | 4 |
| Mamoru Miyano | Arsène Lupin (voice) | 4 |
| Hiro Shimono | The Phantom (voice) | 4 |
| Hidenari Ugaki | Passepartout (voice) | 4 |
| Kohsei Hirota | Lestrade (voice) | 4 |
| Yumiri Hanamori | Vera (voice) | 3 |
| Soma Saito | Jack the Ripper (voice) | 3 |
| Hirofumi Nojima | Claude Godard (voice) | 3 |
| Maaya Uchida | Nora (voice) | 2 |
| Shunsuke Takeuchi | Dennis (voice) | 2 |
| Hitomi Nabatame | Alma (voice) | 1 |
| Kazuki Ura | Falk (voice) | 1 |
| Jun'ichi Yanagita | Spectator (voice) | 1 |
| Jun'ichi Yanagita | Police officer (voice) | 1 |