1girl, aoba_misaki, blurry, blurry_background, bra, bra_peek, breasts, buttons, chair, cleavage, collared_shirt, grin, idolmaster, idolmaster_million_live!, large_breasts, looking_at_viewer, milliani, office_chair, on_chair, open_clothes, open_shirt, red_eyes, red_hair, ribbon, shirt, short_hair, short_sleeves, short_twintails, sitting, skirt, smile, sweat, swivel_chair, thighs, twintails, unbuttoned, underwear