Rika will get her capacity to remember past loops back again in Episode 14 following talking with Hanyuu, so from now on, she'll be ready to don't forget who kills her. Hanyuu then tells Rika that her existence is disappearing and that Rika will have to be by yourself from now on, though offers her the loop-breaking sword that Takano found in Watadamashi-hen and that she need to use it on a looper to split the cycle.