2girls, alternate_costume, blue_eyes, closed_eyes, closed_mouth, frilled_pillow, frills, hat, hugging_object, kanisawa_yuuki, looking_at_viewer, medicine_melancholy, multiple_girls, pillow, pillow_hug, pink_shirt, shirt, short_hair, simple_background, sleepwear, standing, su-san, touhou, wavy_hair