AniList score 58%

Synopsis
Crisis befalls the main characters and the Earth as well! How do they deal with the conspiracies that they have uncovered, while protecting the Earth too? (And what happens to the cliffhanger at the end of the previous episode?)
In these final two episodes of Stratos 4 Advance are the exciting conclusion to the whole Stratos 4 series. The main characters will have to draw on all the resources they have, their friends and allies and their own sheer force of will, to "bring tomorrow to Earth", as one of the characters puts it.
Synopsis and metadata via AniList.
Characters

Kiriko Aoki
Supporting

Mirei Tachibana
Supporting

Mana Ninomiya
Supporting

Diane Earhart
Supporting
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AniList score 58%