(Highly detailed CG Unity 8k), (highest quality)，(Very detailed)，(Ultra-high resolution), Multiple high school girls, (white cloth gag:1.3), Sailor suit, rope , breasts rope , hands back rope , leg rope , thigh rope , (bust rope :1.4), feet rope , Put your arms behind your hips, Wrists tied, Tie your ankles, (Gagged with a white cloth:1.3), Dark Blue Skirt, classroom, (Blindfolded with white cloth:1.3), (white cloth gag:1.3), Feet together, Tie your ankles, (Black Hair:1.3), Long Hair, high school girl, (Black Stockings:1.4), Black garter belt, Brown Loafers, (White Hair Band:1.4), Blur the background, (Drooling:1.3), Rope digging into nipples, Mouth stuffing,

(nsfw:1.5), nsfw ng_deepnegative_v1_75t, ((badhandv4)), (worst quality:2), (low quality:2), (normal quality:2), low-res, multiple bodies, bad anatomy, bad hands, normal quality, ((monochrome)), ((grayscale)) watermark, ((bad legs)), bad arms, nipple, navel, unnatural, Belly button look, erotic, vagina, nipple, adult, non hand and wrist, choker,