Heroine? Saint? No, I'm An All-works Maid (and Proud Of It)! Light Novel vol 6 back

SHE'S "MAID" FOR THIS!It’s time for the school festival at Royal Academy, and what could be more fun than a maid café? Lovely ladies in uniform, royalty in dashing butler’s garb—Luciana’s class is buzzing with excitement over the prospect. What’s more, Melody gets to put her maidly expertise to use as she helps with the preparations. From costuming to table setting, she’s got it covered! But a dark shadow falls over everyone’s good cheer as Christopher’s corruption arc begins, and the dark forces possessing him want blood. Will Melody and her maidly magic be enough to save the day?