Beatrix (ベアトリクス) - The Eminence in Shadow (Kage no Jitsuryokusha ni Naritakute!) (陰の実力者になりたくて！)

beatrix, long hair, bangs, purple eyes, white hair, pointy ears, elf, sheath, eyes visible through hair, hair ornament, mature female, medium breasts, anime screencap