1girl, artist logo, birthday cake, cake, collar, dark-skinned female, dark skin, food, glasses, hair between eyes, happy birthday, holding, kantai collection, kikumon, mashiro yukiya, metal collar, musashi (kancolle), musashi kai ni (kancolle), one-hour drawing challenge, pointy hair, rectangular eyewear, red eyes, smile, solo, twintails, two side up, upper body, white hair