Shinku is depicted as a breathtaking, crimson-clad figure standing with poise and noble grace. Her dress is a lavish Gothic Lolita ensemble featuring multiple layers of deep red fabric, lace trim, ruffles, and a prominent bow at the chest. Intricate gold accents run along the corset and hem, highlighting the doll's refined craftsmanship. The long, jet-black hair is sculpted with precision and falls around her shoulders to frame a porcelain face with rose-red eyes and a serene, commanding expression. Subtle shading and detailing on the sleeves, collar, and capelet convey movement and life, while the 1/3 scale promises dramatic presence on display stands.

Shinku is the fearless leader among the Rozen Maiden dolls, created by the enigmatic Rozen to be the elegant guardian of her master. In the story, she pursues victory against rival dolls and world-threatening threats while guarding her master’s wishes and memory. Her prideful demeanor masks a strong sense of loyalty and protective tenderness for those she cares about. Across countless encounters, Shinku demonstrates courage, strategic thinking, and a readiness to sacrifice for friends, resolving conflicts with both grace and resolve. Her arcs explore themes of identity, origin, and the burdens of timeless duty.