masterpiece, best quality, oil painting, (Pierre-Auguste Renoir style:1.4), impressionism, a pair of (serene-faced siblings:1.2), beautiful young faces with a (plump and round full cheeks:1.3), (pearlescent and luminous skin:1.4), natural golden and brown (soft wavy hair with air-filled volume:1.3), wearing (vintage cream lace dresses and ribbon ties:1.1), (sun-dappled terrace:1.3), extensive (feathery brushstrokes:1.5), blended colors, vibrating colors, backlighting, charming smiles, warm and luminous atmosphere, (lost-and-found edges:1.2), soft focus, blurred background of flowers and greenery, charming beauty, happiness, pure innocence., renolume, sun-dappled impressionist painting style
