Re:Monster (Light Novel), Vol. 4

Aporo is summoned by the spirited princess of the Kingdom of Sternbelt, whom he encountered once before. She informs him that the Noble Faction is planning a coup and all but forces him to join her side as part of its fighting strength.
As the appointed day steadily approaches, Aporo continues to amass even greater power—conquering dungeons one moment and dueling a mysterious female warrior in the Colosseum the next.
Then, at last, the coup begins.
The curtain rises on Aporo's decisive confron...