A cute, child-friendly superhero named Bookman, designed in the style of classic Japanese characters like Anpanman. His head is an open book with a friendly, round face integrated into the spine, featuring big, expressive eyes, a small button nose, and a cheerful smile. The back of his head shows neatly arranged, slightly glowing pages. He has a soft, rounded body and wears a simple, colorful superhero suit with a bright transformation belt. His overall appearance is charming and endearing, with a design that’s easy to love for children, embodying the wholesome --niji 6