Though I Am an Inept Villainess: Tale of the Butterfly-Rat Body Swap in the Maiden Court (Light Novel) Vol. 6 - Satsuki Nakamura - Bog

THE ENEMY OF MY ENEMY IS MY...?The Rite of Reverence is nearly over, and each Maiden has one last shot at becoming the first-place future consort. It's been a whirlwind of chaos, from Kou Reirin and Shu Keigetsu's explosive fight to the consorts' dastardly schemes...not to mention the foiled assassination attempt! When Reirin discovers the common thread behind all these mishaps, she decides it’s time to launch a counterattack—but can she get all five Maidens to set their spats aside and join forces in the final trial?