(Highly detailed CG unity 8k), (highest quality)，(very detailed

(Highly detailed CG unity 8k), (highest quality)，(very detailed)，(ultra high resolution), 4 girls, (white cloth gag:1.3), sailor uniform, rope bondage, breasts rope bondage, hands back rope bondage, leg rope bondage, thigh rope bondage, (bust rope bondage:1.4), feet rope bondage, Arms behind the waist, bound wrists, shackles the ankles, (gag with a white cloth:1.3), Dark blue skirt, classroom, (white Blindfolded:1.3), (white cloth gag:1.3), Legs together, Tie your ankles, (Black Hair:1.4), 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), (The rope penetrates the nipple:1.3), Fillings in the mouth,

(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,