The principal character is 15-year-old Isabelle Laustin, other characters being her parents Leon and Marie, Isabelle's friends Jean and his sister Marie, and Isabelle's suitor, Captain Victor.
When Paris is besieged and Napoleon III's army is defeated, Isabelle escapes to London, disguised as a boy, and engages in secret agent stuff.
(Source: AniDB)+ More
Characters & Voice Actors

Marie
Supporting
Senou, Reiko
Japanese
Narrator
Supporting
Inagaki, Mihoko
JapaneseRecommended for you
Giant Killing
TV
24m
The Place Promised in Our Early Days
Movie
90m
Before Green Gables
TV
20m
Akame ga Kill!
TV
23m
Galaxy Express 999
Movie
128m
The Fruit of Grisaia
TV
23m
Planetarian
ONA
18m
Shion no Ou
TV
23m
Hetalia: The Beautiful World
ONA
5m
Hetalia: The Beautiful World Specials
Special
5m
Drifters
OVA
26m