The Appearance of the Great Evil! The Darkness in the House of Kasumioji Bleach: Burîchi : Season 9 Episode 6

One morning, Rurichiyo suddenly disappears. Kenryu finds some indication that leads him to believe that she used the Kasumiohji Clan's private Senkaimon to return to the Soul Society. He heads back to the Soul Society along with Ichigo and Rukia to look for Rurichiyo.