sentences:  Anamnesis's plan was to murder Rei in front of Mirai as revenge, though Rei has no idea why Anamnesis hates her and Mirai, after which Anamesis would achieve revival to be with her daughter again (as a revenent could collect human souls to achieve revival.In addition, Anamnesis was unaware her daughter was Sen as she lost her memories upon becoming Anamesis).After defeating Anamnesis Sen protects her before Kokoro is able to get her revenge and kill her.