As Mebuki's squad retrieves the sapling, destroying all the progress that was previously made, they come under attack from what appears to be a Vertex, which critically injures Yumiko. Mebuki attempts to fight the growing number of enemies on herself, the rest of the fleet comes to her aid, allowing everyone to retreat to safety. After Mimori is informed about everything that has happened with the Sentinels, she agrees to be the Taisha's sacrifice in exchange for memory of her existence being removed from the world, resulting in Aya and the other planned sacrifices being spared...