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
Tower of God Season 2
TV
23m
My Star: Season 2
TV
24m
The Secrets of Star Divine Arts
ONA
10m
Kinnikuman: Perfect Origin Arc Episode 0
Special
24m
New Qin's Moon
ONA
20m
Whimsical Wish
ONA
12m
Winter Present
ONA
12m
Glorious Revenge of Ye Feng
ONA
11m
Overlord: The Sacred Kingdom
Movie
135m
True Beauty
ONA
20m
The Proud Emperor of Eternity
ONA
16m
Sengoku Youko - Recap
Special
24m
The Young Brewmaster's Adventure
ONA
18m
Supreme Sword God
ONA
8m
Spy x Family Code: White
Movie
110m