Rukia is a Soul Reaper from the noble Kuchiki Clan and serves in the 13th Division of the Gotei 13.Despite her petite stature and calm demeanor, Rukia is a skilled fighter, known for her mastery of ice-based Zanpakutō, Sode no Shirayuki. She plays a vital role in the Soul Society, displaying loyalty, bravery, and a deep sense of duty.