a boat in the river of Ninh Binh with a sunset background back view, a t-shirt design, in the style of Studio Ghibli, charming, pastel tetradic colors, 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