marumi, sylvia (kaibutsu oujo), kaibutsu oujo, 00s, 1girl, :d, arm support, ball gag, bare shoulders, boots, breasts, bridal gauntlets, cleavage, crown, dress, elbow gloves, female focus, flower, frilled dress, frills, gag, gloves, greyscale, half-closed eyes, hand to own mouth, high heel boots, high heels, knee up, large breasts, leaf, leg up, legs, long hair, long legs, looking at viewer, monochrome, naughty face, open mouth, parted bangs, photo background, rose, sidelocks, sitting, smile, solo, thigh boots, thighhighs, thighs, tiara, ungagged, very long hair, wiffle gag