Create a flat poster in the style of a modern

Create a flat poster in the style of a modern risograph using the attached photo as the reference. Use the colors from the photo as solid, flat color blocks on a warm cream paper background. Include simple hand-drawn black outlines, naïve proportions, minimal facial features, fine hatching textures, visible speckled grain, and slightly imperfect printing for an authentic risograph feel. Keep the shapes clean and graphic, with a playful folk-poster aesthetic and a calm, centered composition. Frame the artwork with a rounded cream border inspired by vintage Japanese illustrated book posters. Aspect ratio: 4:5. Insert discreet watermark in the lower right corner of the image, vertical text (rotated 90°), written "aipromptlabs.online", Calibri Light font, white color with low opacity (semi-transparent), medium size. Extreme sharpness on the face, fabric texture and typography of the letters. Shot on Canon EOS R5, 50mm f/2.8, studio light.