lightningandnoctis Square ENIX releases Japan exclusive trailers of Final Fantasy XIII sequels

Meet Lightning and Noctis in their new Final Fantasy installments. Even up till now, there has been huge internet buzz on these two upcoming titles.

Final Fantasy XIII-2 (Warning spoilers from Final Fantasy XIII!)
Following the sequel to Final Fantasy XIII, Square Enix Europe promises a reworked, improved battle system. The game company has also come up with a new story revolving around the newly armored main protagonist, Lightning. All in all, fans should expect a game that is based upon the best elements from Final Fantasy XIII. The trailer features another new character as well, which could possibly be the game’s main antagonist. 
What are your expectations for this sequel, especially for those who have played the first installment of this series?