Art style: Paper Cut.
Full-length view, the entire figure visible from head to feet, standing upright and centered — a Russian boy of about seven years old, Katya's peer, living inside a parked metro carriage during wartime Moscow, 1941. Thin build, pale fair skin with a faint dusting of freckles, slightly hollow cheeks. Tousled light-brown hair, a little unkempt. Serious, watchful grey eyes and a small shy half-smile. He wears a slightly oversized grey wool knitted jumper over a plain collared shirt, patched dark-brown short trousers held by a single suspender strap, mismatched knee socks, and scuffed worn leather lace-up ankle shoes. In one hand he loosely holds a small toy tin car. He stands on the wooden floor laid between the rails inside the softly lit subway carriage, metal handrails and bench seats behind him, a folded blanket nearby.
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FINAL STYLE ENFORCEMENT (this is the authoritative rendering directive — it overrides any style wording elsewhere in the prompt):
Render this image in the following art style:
Layered paper-cut illustration, clean cut-paper shapes, visible paper grain, crisp edges, dimensional stacked layers, soft shadows between layers, handcrafted paper diorama.
Every surface, skin, fabric, material, and environmental element must be rendered in this idiom.
