Eirun Last Code ~Kakuu Sekai yori Senjou e~ 4
| Volume Title | Eirun Last Code ~Kakuu Sekai yori Senjou e~ 4 |
| Japanese Volume Title | エイルン・ラストコード 〜架空世界より戦場へ〜 (4) |
| Light Novel | Eirun Last Code ~Kakuu Sekai Yori Senjou e~ |
| Publisher | Media Factory |
| Light Novel Label | MF Bunko J |
| Author | Ryuunosuke Higashi |
| Illustrators | Akemi Mikoto, Konomu Sekiyama, Ryuuichi Sadamatsu |
| Target Readership | Male |
| Volume | 4 |
| Release Date | May 25, 2016 |
| Pages | 370 |
| ISBN-10 | 4040683390 |
| ISBN-13 | 978-4040683393 |
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