1boy 1girl bangs blush breast_grab breast_sucking breasts breasts_out christmas collarbone eve_santaclaus faceless faceless_male from_below grabbing grey_hair guided_breast_grab guiding_hand hanging_breasts hat highres idolmaster idolmaster_cinderella_girls kibihimi large_breasts long_hair looking_at_viewer nipples open_clothes open_mouth santa_costume santa_hat sound_effects stuck sweatdrop swept_bangs through_window transparent yellow_eyes