1boy, 1girl, age_difference, black_hair, blue_shirt, brother_and_sister, brown_hair, futon, ganaishoten, green_shorts, grey_shirt, hetero, hug, incest, lying, on_side, onee-shota, original, pillow, pink_shorts, shirt, short_hair, short_sleeves, shorts, shota, siblings, speech_bubble, t-shirt, thighs, thought_bubble