2girls, antennae, armpits, big_belly, blue_bra, blue_eyes, blue_panties, bra, breasts, cleavage, frilled_bra, frilled_panties, frills, green_hair, hair_between_eyes, hand_on_another's_head, interlocked_fingers, kazami_yuuka, large_breasts, medium_breasts, multiple_girls, mutou_youshun, navel, one_eye_closed, open_mouth, panties, petals, petite, pregnant, red_bra, red_eyes, red_panties, short_hair, smile, stomach, thighs, touhou, underwear, underwear_only, wriggle_nightbug, yuri