In the style of Henri Rousseau. An eccentric cute mouse with a big smile. Long eyelashes., hiding in moss, detailed matte painting, deep color, fantastical, intricate detail, splash screen, complementary colors, fantasy concept art, 8k resolution trending on Artstation Unreal Engine 5, neo-impressionism expressionist style oil painting, smooth post-impressionist impasto acrylic painting, thick layers of colourful textured paint