Asuka Katakura (片倉 飛鳥, Katakura Asuka) is a Shinigami who serves as the Lieutenant of the 3rd Division, having previously served as the 6th Seat under the captaincy of Rōjūrō Ōtoribashi. Following the events occurring during the Vandenreich invasion of Soul Society, during which he lost both his sister and fiance to the Quincy invaders and nearly died himself, he took it upon himself to improve his skills and ultimately managed to rise to the rank he currently occupies.