Shiki and Shirou attempt to simultaneously date all of their heroines at once in a single day with disastrous results. The Ahnenerbe holds a party to celebrate the end of the series.
Shirou asks Rin to record a TV show for him, which gets out of hand. Shiro and Shiki meet and discuss a plan to date all their heroines on the same day.
Shiki is forced to take care of his sister after her personality reverts to that of a 4-year old. Kohaku creates stories based on Hisui's detective persona with comical results.