3girls, o, arm_up, armpits, bare_shoulders, birthday, blue_eyes, blush, braid, braided_ponytail, breasts, cheek_poking, cleavage, closed_eyes, date_a_live, drill_hair, facing_another, facing_viewer, finger_to_another's_cheek, hair_between_eyes, hand_on_another's_face, hand_on_another's_head, hand_up, happy_birthday, kazamachi_yamai, large_breasts, long_hair, looking_at_another, lying, medium_breasts, multiple_girls, multiple_persona, nightgown, on_back, on_bed, on_side, orange_hair, parted_lips, poking, ringlets, seventh-natsu, siblings, sisters, sleeping, small_breasts, smile, surprised, twin_drills, twins, upper_body, yamai_kaguya, yamai_yuzuru