15-second Stylized 2D Hand-drawn Animation, Top-down Naval Battle

15-second stylized 2D hand-drawn animation, top-down naval battle on old yellow lined notebook paper. Keep the notebook-paper world from start to finish, with blue horizontal lines and the red left margin line always visible. Subtle paper texture, pencil marks, and ink strokes should be emphasized. No live action, no 3D, no realistic faces, no modern objects, no narration, no subtitles. A childlike doodle naval battle gradually transforms into a legendary illustrated naval battle, then collapses back into doodles. The escalation should feel magical, as if imagination is taking over the paper. Two naval forces, red vs blue, advance across the notebook page. Include panokseon ships, rowing boats, flags, arrows, and cannons. A turtle ship sits at the center of the battle. At first everything is rough and childish, like simple notebook doodles. As the battle intensifies, the drawings become more detailed, with stronger ink lines, richer ship details, ink-like smoke, wave marks, and dramatic motion. A commander symbolizing Admiral Yi Sun-sin appears as a heroic silhouette, not a realistic portrait. As the animation progresses, his hand-drawn presence becomes more majestic and clearly defined while still staying within the notebook illustration style. Timeline: 0–3s: A simple doodle naval battle begins on the notebook page. Red and blue fleets move toward each other. 3–7s: The first collision begins. Arrows fly, cannons fire, ships crash, and the drawing style starts upgrading from rough doodles into more detailed ink illustration. 7–11s: The battle reaches its grandest form. The turtle ship dominates the center, surrounded by detailed hand-drawn ships, smoke, waves, arrows, and rhythmic impacts. The scene feels legendary and heroic. 11–15s: After a decisive charge and impact, everything breaks apart. Ships, waves, smoke, and figures collapse back into simple doodles, broken ink lines, and scattered pencil marks. The notebook page becomes strangely quiet again. Motion should be smooth and fluid, with sharp rhythmic impacts. Keep a minimum 24fps feeling. Maintain readable silhouettes from the top-down view, with the turtle ship clearly visible as the central object. Emotional flow: playful and curious at first, then increasingly solemn and heroic, reaching a mythic climax, then ending with a quiet, strange afterglow after the collapse.