Shingeki no Bahamut: Genesis - Short Story
Genres: Action, Adventure, Fantasy
Type: ONA, Episodes: 2
Aired: Dec 28, 2016 to Feb 20, 2017
Studio: MAPPA
Source: Game
Rating: PG-13 - Teens 13 or older
Synopsis:
The first short story focuses on Favaro and Kaiser between the events of the first and second series as they visit Favaro's home village. 

The second short story shows Kaiser as a knight commander sparring with Jeanne, and sharing the reasons they remained as Orleans Knights in the aftermath of the final battle against Bahamut.