The Ideal Sponger Life 12
| Volume Title | The Ideal Sponger Life 12 |
| Japanese Volume Title | 理想のヒモ生活 12 |
| Light Novel | Risou no Himo Seikatsu |
| Publisher | Shufunotomosha |
| Light Novel Label | Hero Bunko |
| Author | Tsunehiko Watanabe |
| Illustrator | Juu Ayakura |
| Target Readership | Male |
| Volume | 12 |
| Release Date | April 30, 2019 |
| Pages | 328 |
| ISBN-10 | 4074372282 |
| ISBN-13 | 978-4074372287 |
| Height (cm) | 15.20 |
| Width (cm) | 10.60 |
| Thickness (cm) | 1.50 |
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