Sekai Saikou no Ansatsusha, Isekai Kizoku ni Tensei Suru 4 Special Edition with Drama CD
| Volume Title | Sekai Saikou no Ansatsusha, Isekai Kizoku ni Tensei Suru 4 Special Edition with Drama CD |
| Japanese Volume Title | 世界最高の暗殺者、異世界貴族に転生する4 ドラマCD付き特装版 |
| Light Novel | Sekai Saikou no Ansatsusha, Isekai Kizoku ni Tensei Suru |
| Publisher | Kadokawa Shoten |
| Light Novel Label | Kadokawa Sneaker Bunko |
| Author | Rui Tsukiyo |
| Illustrator | Reia |
| Target Readership | Male |
| Volume | 4 |
| Release Date | April 01, 2020 |
| Pages | 310 |
| ISBN-10 | 4041089700 |
| ISBN-13 | 978-4041089705 |
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