1girl, ?, ashulunlun, blush, breasts, camisole, cleavage, collarbone, feet_out_of_frame, grey_camisole, grey_panties, groin, holding_own_arm, idolmaster, idolmaster_shiny_colors, large_breasts, light_brown_hair, looking_at_viewer, looking_up, medium_hair, midriff, navel, nose_blush, panties, ribbed_camisole, sakuragi_mano, shadow, sitting, solo, strap_slip, string_panties, underwear, underwear_only