1girl, arm up, armpit crease, balloon, bangs, bare shoulders, birthday, black hair, blunt ends, blurry, blurry background, blush, casual, clenched hand, closed mouth, collarbone, couch, depth of field, dot nose, eyebrows hidden by hair, eyelashes, fang, hair between eyes, half-closed eyes, hand on own cheek, hand on own face, hand up, happy birthday, indoors, komori (koori zokusei danshi), koori zokusei danshi to cool na douryou joshi, lipstick, long hair, long sleeves, looking at viewer, makeup, off shoulder, official art, on couch, one eye closed, open clothes, pillow, plaid, plaid pillow, print pillow, puffy long sleeves, puffy sleeves, sitting, skin fang, sleeveless, sleeves past wrists, slit pupils, smile, solo, star (symbol), star balloon, straight-on, swept bangs, tiara, tonogaya, upper body, yellow eyes