Conspiracy's Masterstroke: Illusory Assassination

Momo Hinamori vs. Izuru Kira is the fight that takes place during the Ryoka Invasion but between the Shinigami themselves. Remembering the prior warning given by Hitsugaya Tōshirō the 10TH Division Captain of Soul Society regarding Ichimaru Gin the 3rd Division Captain, Momo proceeds to attack Gin for the murder of her Captain Sosuke Aizen.