Nanana's Buried Treasure 12
| Volume Title | Nanana's Buried Treasure 12 |
| Japanese Volume Title | 龍ヶ嬢七々々の埋蔵金12 |
| Light Novel | Nanana's Buried Treasure |
| Publisher | Enterbrain |
| Light Novel Label | Famitsu Bunko |
| Target Readership | Male |
| Volume | 12 |
| Release Date | December 28, 2016 |
| Pages | 384 |
| ISBN-10 | 4047343889 |
| ISBN-13 | 978-4047343887 |