（best qualtiy，8K，tmasterpiece：1.2），（realisticlying，realisticlying），twincest，Two 16-year-old princesses wearing thin thread thongs on the bed，get down on the bed，cocking the buttocks，There are pink patting marks on the buttocks，Kneel on the bed with your legs，Propped your elbows on the bed，The girl's feet parted，The soles of the feet are facing back，Fully open back, Unobstructed，Open and unobstructed，lit from behind, Sexy body, Sexy girl, Watching from behind, Smooth translucent white skin, Sexy hot body,chest baring，Medium chest，White shiny breasts，Chest up，Pink areola，Underwear in hand，posterior view, posing in bed, Beautiful girls, on the bed, Shiny white skin, long shot from back, Sexy pose，Fair and translucent skin，She wears a light diamond princess crown on her head，Turn your head around and look like a screen

(nsfw:1.5),verybadimagenegative_v1.3, ng_deepnegative_v1_75t, (ugly face:0.8),cross-eyed,sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, bad anatomy, DeepNegative, facing away, tilted head, {Multiple people}, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worstquality, low quality, normal quality, jpegartifacts, signature, watermark, username, blurry, bad feet, cropped, poorly drawn hands, poorly drawn face, mutation, deformed, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, extra fingers, fewer digits, extra limbs, extra arms,extra legs, malformed limbs, fused fingers, too many fingers, long neck, cross-eyed,mutated hands, polar lowres, bad body, bad proportions, gross proportions, text, error, missing fingers, missing arms, missing legs, extra digit, extra arms, extra leg, extra foot, ((repeating hair))