Tsukuyo Sone

Tsukuyo Sone (曽根月詠, Sone Tsukuyo) is the former Fifth Seat of the Eighth Division in the Gotei 13, having served under Captain Seireitou Kawahiru. She is considered part of the Silver-Hairs Gang and was one of those who defected from the Soul Society during their Captain's own departure. Tsukuyo and Shintarō Katsura work together as Hollow exterminators on the outskirts of Rukongai, evading the Gotei 13's watchful eyes.

Behind the Scenes
His appearance is based off of Kagura's future self from Gintama: The Movie: The Final Chapter: Be Forever Yorozuya.