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
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