Episode Title:
Flag.0.
Episode Description:
A preview OVA that was released together with Volume 10 of the manga. Hosted by Hiro Shimono and Kanae Itō who voice Keima and Elsie respectively, the hosts introduce and talk about the series, the anime and their characters. Included in the end is a short animated prologue which introduces Elsie and her induction as a spirit hunter.
