haynau, ushiromiya ange, ushiromiya battler, umineko no naku koro ni, bad id, bad pixiv id, painting (medium), traditional media, watercolor (medium), 00s, 1boy, 1girl, armband, blue eyes, blunt bangs, brother and sister, cape, formal clothes, hair bobbles, hair ornament, jacket, long hair, looking at viewer, miniskirt, pleated skirt, red hair, ribbon, siblings, sitting, skirt, sword, thighhighs, twintails, weapon, zettai ryouiki