Absolute Duo IX
| Volume Title | Absolute Duo IX |
| Japanese Volume Title | アブソリュート・デュオＩＸ |
| Light Novel | Absolute Duo |
| Publisher | Media Factory |
| Light Novel Label | MF Bunko J |
| Author | Takumi Hiiragiboshi |
| Illustrator | Yuu Asaba |
| Target Readership | Male |
| Volume | IX |
| Release Date | July 24, 2015 |
| ISBN-10 | 404067717X |
| ISBN-13 | 978-4040677170 |
| Online Shops |