1girl, a01macaron, blunt_bangs, breasts, clothes_lift, fur-trimmed_headwear, fur-trimmed_panties, fur_trim, grey_hair, groin, hat, idolmaster, idolmaster_shiny_colors, navel, no_pants, panties, panty_tug, red_panties, ribs, santa_hat, serizawa_asahi, shirt, shirt_lift, simple_background, small_breasts, solo, thighs, underboob, underwear, white_background, white_shirt