1boy, 1girl, 5koma, afterimage, animal ears, birthday, birthday cake, blue eyes, cake, closed eyes, comic, detached sleeves, dog, ear covers, ear wiggle, ears down, flipped hair, food, fork, hair between eyes, hand puppet, happy birthday, hat, horse ears, horse girl, horse tail, japanese clothes, kimono, long sleeves, open mouth, party hat, pink hair, pink kimono, puppet, sash, short hair, smile, speech bubble, tail, tail wagging, tearing up, tongue, tongue out, white sash