In Alternative, Takeru wakes up three years after the end of Unlimited to find himself back in his room. Although he first thinks that everything... more>> that had happened to him was a dream, he soon feels that something is wrong, and leaves the house to find that he has been sent back in time to the beginning of the events in Unlimited. Unwilling to accept something like Alternative V, he decides to help professor Kouduki to complete Alternative IV and save mankind. <<less

Total Eclipse is set in the same world as , at Alaska's Yukon base, test site 18, where first-class staff from all over the world regardless of country gather to work on new Tactical Surface Fighters.... more>>

The main characters are engineers and pilots and it features many TSFs that failed to show up in Alternative. <<less

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