If you've watched École de Paris, then you already know that not only was Douglas-Stewart threatening Tokyo with its Japhkiels, but they also used the Blanches to terrorize Paris.
Ratchet's Eisenkleid gets disabled by Brent at the end of the film. In Sakura Wars: So Long, My Love, Ranmaru would do the same thing to Ratchet's Star unit.
Hilarious in Hindsight: Kayama speaking Gratuitous English in the opening becomes hilarious in So Long, My Love when he speaks in English to vouch for Shinjiro during the latter's first day in New York City.
