A frantic yet focused 1960s Japanese manga artist's studio. In the center, a determined male manga artist (resembling an "athlete of drawing") is sweating and drawing intensely at his desk. Behind him, several assistants are working on backgrounds and applying screentones at their own desks. Composition & Style: Retro Showa-period aesthetic, classic manga art style with bold ink lines and screentone textures. The room is filled with stacks of "SUN" and "MAG" weekly magazines, crumpled paper balls, and ink bottles. Annotations & Diagrams (Infographic style): Incorporate various text boxes with arrows pointing to specific parts of the drawing process, mimicking an educational illustration: "STAR SYSTEM": Pointing to a character model sheet. "SIGNIFICATION / ICONOGRAPHY": Pointing to symbols like sweat drops, anger marks, and concentrated lines. "ASSISTANTS": Pointing to the staff working in the background. "DYNAMIC PANELING": Pointing to a dramatic, slanted manga panel on a manuscript. "CAMERA WORK": Pointing to a panel showing an extreme cinematic angle (high-angle or close-up). Atmosphere: High-energy, chaotic, and "marathon-like" intensity. The title "THE BIRTH OF MANGA ATHLETES" is written in bold, retro Japanese-style typography at the top.