Backside beauty

((best quality, masterpiece)), photo realistic, semi-realistic, extremely detailed and delicate illustration, digital painting, beautiful and aesthetic, official art, depth, detailed shading and lighting, diffused light, (black theme, white theme, vivid theme), 1swissgirl, (cute swiss girl), ((serafuku school uniform)), boy-cut hair, beautiful detailed face, lustrous skin, (Off-Shoulder Shirt:1.2), (Nude Lower Body:1.4), (Nude ass:1.3), (Big boobs:1.2), (Curvy ass:1.2), (Curvy Body:1.2), smile, best ratio four finger one thumb, ((simple pink background)), (fullbody, from afar, from side)

(worst quality, low quality:1.4), (grayscale, monochrome), (blurry, lowres), 3d face, nose, jpeg artifacts, text, watermark, (loli, petite, child, chibi, fat), (curvy:0.5)