Fuyuka Shiratori possesses violet hair and brown eyes; her precise age is unspecified. She is the ex-sister-in-law of Yuriko, who owns a struggling inn. Initially helping her sister with evening duties, Fuyuka struggles to meet service demands due to her incomplete embrace of the inn's "spirit of hospitality." Her personality is hot-headed, marked by a firm belief she can master any task and a determined drive to finish what she starts despite obstacles.

Her narrative progression focuses on training from Kenji, an amnesiac man vital to the inn. Under his instruction, Fuyuka learns to entertain guests using her body, signifying a shift from reluctance to active participation in the inn's distinctive services. Her story remains confined to this narrative.