1boy, 2girls, antenna_hair, bed, blonde_hair, blue_eyes, blush, brown_hair, clothed_female_nude_male, grabbing_another's_chin, hair_ribbon, hand_on_another's_chin, hand_on_head, holding_hands, hug, long_hair, looking_back, lying, multiple_girls, navel, necktie, nude, on_back, on_side, quad_tails, ribbon, school_uniform, short_hair, siblings, sisters, smile, twins, twintails