-Lagann-hen's story will focus on Simon & Nia's relationship, even more than the TV series
-This time, Messenger Nia will be more impressive than in the TV series
-In the TV series, Rossiu was Simon's main "antagonist" during the 3rd arc, in the movie Rossiu will be more of an obstacle for Simon and Nia's relationship
-Messenger Nia represent Nia's fear, her feelings are "I don't want to lose this universe"
-In the first movie, Yoko was given a bigger, more prominent, role than she had in the TV show. In the second movie, Nia will be given this bigger role.
-According to Nakashima, after doing the TV series and novels, he sees Nia in a new light. "Nia is a really unwavering person"
-Concerning Simon's line in the novel, "I'm proud of having chosen her," Nakashima feels like Simon forced him to write that. He was able to understand the nature of their relationship
-Lagann-hen has so many new scenes that you can call it "an all new story with some old scenes to fill in blanks" rather than "a recap movie with some new scenes to make it exciting" like Gurren-Hen
-It's the conclusion of the Gurren Lagann project
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I don't know it sounds like a romance flick so far...but as long as it still has the same TTGL formula I look forward to it!