two beautiful 24 year old sisters, bikini、 stick out your butt, Anus exposed、think back、smile、detailed face、

extra arms,easy negative,disfigured,sketches,(worst quality:2),(low quality:2),(normal quality:2),((monochrome)),((grayscale)),skin spots,acnes,skin blemishes,DeepNegative,(fat:1.2),facing away,looking away,tilted head,Multiple people,lowres,bad anatomy,bad hands,text,error,missing fingers,extra digit,fewer digits,worstquality,jpegartifacts,signature,username,blurry,bad feet,cropped,poorly drawn hands,poorly drawn face,mutation,deformed,jpeg artifacts,watermark,paintings,