1girl, arm_up, armpits, bagus_n, black_bra, blonde_hair, blue_background, blush, bra, breasts, chair, cleavage, crossed_legs, katsuragi_ayako, lace-trimmed_bra, lace_trim, large_breasts, mature_female, musume_janakute_mama_ga_suki_nano!?, office_chair, on_chair, pantyhose, pencil_skirt, presenting_armpit, signature, simple_background, sitting, skirt, sleeveless, smile, sweat, swivel_chair, tongue, tongue_out, underwear, yellow_eyes