sky cappuccino, katsuragi lilja, gakuen idolmaster, idolmaster, absurdres, highres, 1boy, 1girl, :o, alternate breast size (larger), black overskirt, blue eyes, blue ribbon, blue skirt, blush, braid, breasts, clothed sex, doggystyle, grey hair, hair ribbon, half up braid, heart, hetero, holding another's arm, jacket, large breasts, necktie, nipples, pleated skirt, ribbon, ribbon in braid, sex, sex from behind, short hair, skirt, solo focus, sweat, undone necktie, white jacket