Having repelling Sachstein Army's Southern Invasion Unit, the Moonlight Knights to Nice to celebrate their first victory. Behind the celebration however lies a conspiracy by Brune's aristocrats and ministers who supported Melisande's coup against Regin for the crown. Thanks to Tigre and his allies, the coup ended in failure. Afterwards, the Moonlight Knights continuing their battle against Sachstein Army that is led by Leonhardt von Schmidt of Sachstein, which also involving Asvarre Army along the way.
This volume contains examples of:
- Alas, Poor Villain: All Melisande ever wanted is to revive House Thenardier's former glory. Granted, she despised Regin because the latter refused to recognize her cousin as ruler and a part of Brune's royal family, but that doesn't stop Regin to fell more sympathize her fallen cousin.
- Bittersweet Ending: The insurgency in Brune is over, Melisande and her allies dead or arrested, and the Sachstein army is defeated. However, Auguste is dead, the Moonlight Knights are defeated, and Tigre and Elen have disappeared in the battle.
- The Coup: Melisande's revolt against Regin is heavily this.
- Heroic Sacrifice: Auguste sacrifices himself to cover for Tigre.
- Pyrrhic Victory: Two battles in this volume in fact:
- Melisande's coup eventually quelled by Tigre and his allies, but it also costed the life of Auguste and others who are dying in defending Regin from the usurpers, who are then imprisoned at the dungeon. The fall of House Thenardier also further foreshadowing Brune's further invulnerability against the upcoming Muozinel invaders.
- With the aid from Asvarre Army that betrayed Sachstein Army, the Moonlight Knights narrowly defeats their western invaders alas. Along the way however they are under attack by Greast Army's ambush by the end of the volume.
- Red Baron: Leonhardt the Blitz, Leonhardt's nickname.
- Wham Episode: The defeat of the Moonlight Knights by Greast Army towards the end, especially with the disappearance of Tigre and Elen.