"Full-body, hand-drawn style illustration of Hiro, a slim and cautious Japanese man in his late 30s, living in a post-apocalyptic world. Hiro has neatly tied-back black hair with a few strands loose, and a faintly trimmed beard. His face shows signs of exhaustion, with subtle wrinkles around his eyes and a serious, thoughtful expression. He wears a patched-up long coat over a simple, slightly torn shirt, durable cargo pants with pockets, and worn leather boots. A utility knife is strapped to his belt, along with a small scavenged backpack and a makeshift tool pouch. His posture is alert but composed, reflecting his practical and resourceful nature. The background is plain white, focusing solely on Hiro’s character design in a detailed, hand-drawn artistic style