The daughter of a noble, and a proud knight of the empire, Citoria harbors romantic feelings for her servant Lucille, to the point that even a touch from her is enough to make Citoria's cheeks burn red. But Citoria will soon be betrothed, and her chances of being with Lucille are getting slimmer with each passing day. However, an unusual display of emotion prompts Lucille to act, who—in the hopes of conveying her feelings with actions instead of words—drugs Citoria, and soon reveals how extreme her love for her mistress is when brought to the surface. [Written by MAL Rewrite]