Despite Kagari regaining her childhood memories of Mayuri, who is informed about her future relationship with her, Rintaro and Daru remain curious about what happened during the past twelve years that she still doesn't remember. During an argument with her, Suzuha notices a contradiction in Kagari's recollection of their separation, with Tennouji suggesting to Rintaro that it may be the result of brainwashing by a third party...