Create a 30-second continuation in 16:9 with synchronized sound. Dori is a small 2.5D petroglyph whale with a rough black one-line body, tiny flippers, split tail, and one cobalt-blue eye. Preserve his silhouette and proportions. Continue from the glowing line touching his nose. Use premium stylized 3D family animation, cinematic lighting, natural materials, poetic magical realism, subtle humor, and clear emotion. 0–3s: The glowing line drifts away like an invitation. Dori follows it from the harbor into the Taehwa River bamboo forest. Blue-gold colors shift into moonlit green and warm amber. 3–10s: Dori swims between bamboo trunks as if through water. He discovers a child, seen from behind, drawing a whale in wet sand with a stick. Dori hides behind a trunk, showing only his blue eye and head tip. 10–18s: The child finishes a crooked whale resembling Dori, then places a small blue pebble as its eye. Dori compares the drawing with himself. Moonlight sparkles on the pebble; his eye widens. 18–24s: The sparkle becomes a warm memory: an ancient hand carves the same whale line into rock with a stone tool. No face is shown. Each stroke creates a soft rhythm. Dori watches from inside the forming engraving. The final mark becomes his blue eye, revealing that he began as someone’s drawing. 24–30s: Back in the forest, the child notices Dori with quiet wonder. The sand whale’s tail is unfinished. Dori completes it with his own tail, but it is crooked. He corrects it and makes it worse. The child laughs softly; Dori proudly nods. The child raises the stick, creating a floating cobalt line. Dori jumps onto it like a tiny surfboard. End with him riding the line. Camera: smooth, intimate shots of hands, lines, eyes, and textures. Audio: bamboo leaves, river, insects, drawing, stone carving, soft five-note motif, one child laugh. No dialogue, text, logos, subtitles, realistic child close-ups, deity imagery, or fantasy animals.