Geometric Cartoon Two-Person Interaction Illustration

character_a and character_b, modern geometric cartoon illustration × UPA-style shape language × limited animation movement design × clear digital flat coloring. Highly simplified character designs constructed from squares, circles, trapezoids, and arcs for heads and bodies. Retain core hairstyles, main colors, iconic accessories, and clothing color blocks. Clear smooth thick black outlines, large uniform solid color fills, minimal simple hard-edge shadows, exaggerated hands, shoes, and limb proportions. Two characters engage in clear, humorous, dynamic interactions. Large stretches, jumps, chases, dodges, kicks, lunges create clear silhouettes. Movement directions, gazes, and expressions echo each other, presenting instantly readable comedic relationships. Vertical composition, characters shrunk and concentrated in lower-middle section, large whitespace above. Single high-purity solid color background. Add a simple comic symbol, prop, or graphic element between characters to establish narrative connection. Overall use few high-contrast colors: black, white, character main colors, and one or two accent colors. Sharp block edges, uniform fill, complete outlines, flat surface. Clean clear modern digital illustration quality, suitable for animation promos, stickers, and phone wallpapers. Vertical format, tiny voxcat signature at bottom right.