3girls, blush, chibi, comic, covering_face, embarrassed, fff_threesome, french_kiss, greyscale, group_sex, hand_on_own_face, kiss, long_hair, looking_at_viewer, looking_to_the_side, monochrome, multiple_girls, nervous, nude, robe, short_hair, sweatdrop, thinking, threesome, tongue, tongue_out, trembling, worried, yuri, |_|