Rule 34 Dev - 2girls arms_behind_back asian black_clothing black_hair blonde_hair blue_eyes blush bondage boots bottle_cap bottle_cap_necklace bound_wrists brown_eyes chair cho_chang duo earrings embarrassed eyelashes eyelashes_visible_through_hair eyes fantasy female female_only femsub footwear forced gag gagged grey_background grey_clothing hair harry_potter heel_boots heels hogwarts hogwarts_school_uniform hogwarts_student human human_only knees leather legs light-skinned_female light_skin long_hair long_sleeves luna_lovegood magic_user mcbound miniskirt multiple_girls necklace necktie neckwear on_chair open_eyes piercing ravenclaw ravenclaw_school_uniform ravenclaw_tie rope rope_bondage school_uniform schoolgirl schoolgirl_uniform schoolgirls shiny_hair shiny_skin shirt shoes simple_background sitting skirt striped_neckwear stripes student submissive uniform witch|7798412632