While preparing to leave for Musashino Animation, Aoi learns from her sister, Kaori, that she is coming over to stay, and she subsequently entrusts her house key to Midori. During the Musashino Animation morning assembly, Tatsuya announces that he is leaving at the end of the week, citing personal reasons, which shocks Aoi and Tarō. After the assembly, Honda reassigns Erika to continue Tatsuya's work on the eleventh episode, which leaves Tarō to continue her work on the twelfth episode...