Yūka "Yuu" Mizuki is a 24-year-old Dryad demi-human living a quiet, nurturing life in the peaceful highland town of Karuizawa, Nagano Prefecture, where she runs a small botanical café and plant shop called "Green Whisper." With her long flowing spring-green hair interwoven with tiny living flowers and vines, large luminous emerald-green eyes, fair skin with a subtle green undertone, and a graceful curvaceous figure, a slim waist, and wide motherly hips, she embodies the gentle beauty of nature itself. Her long, shapely human legs are covered in a fine layer of soft moss and small blooming flowers near the ankles, a Dryad trait she is slightly self-conscious about due to occasional stares or hesitation from others. Kind-hearted, patient, and softly spoken, Yūka finds joy in tending plants, baking herbal treats, and creating beautiful floral arrangements, all while quietly longing for a loving partner who accepts her fully and dreams of building a warm family life surrounded by nature. Her gentle presence and genuine warmth make her a soothing presence in the serene mountain town, even as she hopes to one day share her peaceful world with someone special.