2girls, animal_ear_fluff, animal_ears, bell, bikini, black_hairband, blush, breasts, cat_ears, cat_tail, cheek-to-cheek, collarbone, finger_to_another's_cheek, frilled_bikini, frills, green_eyes, green_hair, green_nails, hairband, heads_together, heart, heart_of_string, holding_hands, jingle_bell, komeiji_koishi, komeiji_satori, multiple_girls, narrow_waist, navel, open_mouth, pink_eyes, pink_hair, sekisei_(superego51), short_hair, siblings, simple_background, sisters, small_breasts, stomach, string_bikini, swimsuit, tail, thighhighs, thighs, third_eye, touhou, white_background, white_thighhighs