The OVA Astaroette no Omocha is a three part short story series. In the first story, Lotte and Asuha find themselves searching for details about their school project. In the second bit, is the backstory to how Zelda came to be Lotte's bodyguard. The final of the three, is a flashback of how the queen met Naoya and how they conceived Asuha ten years prior to the events in the anime.
(Source: ANN)+ More
Characters & Voice Actors

Asgrim, Mistrune
Supporting
Austri, Lucca
Supporting
Cuthfleda
Supporting
Frismar, Olaf
Supporting
Mirjasdottir, Elfreda
Supporting
Níuhali, Enja
SupportingRecommended for you
Yona of the Dawn
TV
24m
D.Gray-man
TV
23m
Golden Kamuy Season 3
TV
23m
Honey and Clover
TV
23m
The Twelve Kingdoms
TV
25m
Kyou kara Ore wa!!
OVA
43m
City Hunter 2
TV
25m
Gintama: Dai Hanseikai
Special
14m
Kingdom
TV
25m
Lovely Complex
TV
24m
Paprika
Movie
90m
Black Lagoon
TV
24m
Case Closed Movie 4: Captured In Her Eyes
Movie
100m
ef - a tale of melodies.
TV
24m
Ascendance of a Bookworm
TV
23m