Akuyaku Reijou Koukyuu Monogatari 4
| Volume Title | Akuyaku Reijou Koukyuu Monogatari 4 |
| Japanese Volume Title | 悪役令嬢後宮物語 4 |
| Light Novel | Akuyaku Reijou Koukyuu Monogatari |
| Publisher | Frontier Works |
| Light Novel Label | ArianRose |
| Author | Ryoufuu |
| Illustrator | Suzunosuke |
| Target Readership | Female |
| Volume | 4 |
| Release Date | July 12, 2016 |
| Pages | 316 |
| ISBN-10 | 486134896X |
| ISBN-13 | 978-4861348969 |
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