Higeki no Genkyou to naru Saikyou Gedou Last Boss Joou wa Tami no Tame ni Tsukushimasu. 4
| Volume Title | Higeki no Genkyou to naru Saikyou Gedou Last Boss Joou wa Tami no Tame ni Tsukushimasu. 4 |
| Japanese Volume Title | 悲劇の元凶となる最強外道ラスボス女王は民の為に尽くします。4 |
| Light Novel | Higeki no Genkyou to naru Saikyou Gedou Last Boss Joou wa Tami no Tame ni Tsukushimasu. |
| Publisher | Ichijinsha |
| Light Novel Label | Ichijinsha Bunko Iris NEO |
| Author | Tenichi |
| Illustrator | Suzunosuke |
| Target Readership | Female |
| Volume | 4 |
| Release Date | September 02, 2021 |
| Pages | 319 |
| ISBN-10 | 4758093946 |
| ISBN-13 | 978-4758093941 |
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