Second Lieutenant Sayuri Hanayori serves in the Japanese Imperial Demon Army under Guren Ichinose’s command within the Moon Demon Company, balancing her combat duties with instructing trainees. Her long, curly hair mirrors her vibrant demeanor, while her resolute character distinguishes her among peers. Born into a family sworn to the Ichinose lineage, she was assigned to safeguard Guren’s welfare long before their paths crossed. Though her childhood devotion evolved into unrequited love after a confessed affection, her allegiance never wavered—evidenced by her choice to bear the agonizing Demon Curse for his sake. Bubbly and sharp-witted, Sayuri uplifts her squad with infectious energy, offering astute emotional insight, particularly to Guren. Her tenacity in fulfilling missions and nurturing comrades underscores an unwavering dedication to both her team and the Moon Demon Company’s cause.