(a dad fishing with son in a river with a sunset background back view), t shirt design, in the style of Studio Ghibli, smiling, charming, pastel tetradic colours, 3D vector art, cute and quirky, fantasy art, watercolor effect, bokeh, Adobe Illustrator, hand- drawn, digital painting, low- poly, soft lighting, bird's- eye view, isometric style, retro aesthetic, focused on the character, 4K resolution, photorealistic rendering, using Cinema 4D