1girl, arm guards, bare shoulders, bike shorts under skirt, birthday, black gloves, black hair, black skirt, black sports bra, black thighhighs, blush, boots, breasts, brown hair, closed mouth, crescent moon, crop top, dolphin, earrings, elbow gloves, fingerless gloves, full body, gloves, happy birthday, jewelry, knees up, long hair, looking at viewer, low-tied long hair, medium breasts, moon, night, night sky, red eyes, red footwear, single earring, sitting, skirt, sky, smile, solo, sports bra, star sky, star symbol, starry sky, suspender skirt, suspenders, swept bangs, tank top, teardrop earring, thighhighs, white background, white tank top