fei (maidoll), araragi koyomi, senjougahara hitagi, bakemonogatari, monogatari (series), alternate breast size, highres, 00s, 1boy, 1girl, apron, ball gag, between breasts, blue eyes, breasts, cleavage, collar, cover, cover page, elbow gloves, femdom, gag, gagged, garter belt, gloves, large breasts, leash, long hair, maid, maid apron, necktie, purple hair, riding, sitting, sitting on person, thick thighs, thighhighs, thighs, wiffle gag