Shinku is the fifth Rozen Maiden doll, characterized by her elegant Victorian-style dress, long blonde hair, and piercing blue eyes. As the protagonist of the series, she is a graceful and commanding presence, exuding a sense of nobility and responsibility. Shinku is known for her strong will, determination, and leadership qualities. She serves as a mentor and protector to Jun Sakurada, the series' main human character, guiding him through the challenges they face together. Despite her aloof demeanor, Shinku develops a deep bond with Jun, showcasing her compassionate and caring nature.