1boy, 1girl, a.i._voice, alternate_breast_size, animal_print, bedroom, black_hoodie, black_jacket, black_shorts, black_thighhighs, blurry, blurry_background, blush, breasts, brother_and_sister, closed_eyes, closed_mouth, collared_shirt, curtains, dutch_angle, earrings, hand_on_another's_head, hood, hood_down, hoodie, indoors, jacket, jacket_on_shoulders, jewelry, lap_pillow, large_breasts, light_smile, on_bed, open_clothes, open_hoodie, pink_hoodie, print_shirt, purple_eyes, purple_hair, purple_shirt, rabbit_print, seiza, shirt, short_hair, short_hair_with_long_locks, short_shorts, shorts, siblings, sitting, sleep_bubble, sleepy, sleeveless, sleeveless_shirt, thighhighs, tongue, tongue_out, voiceroid, white_shirt, yoru_no_yamai, yuzuki_yukari, yuzuki_yukari's_younger_twin_brother, yuzuki_yukari_(a.i._voice)