You’ve seen part of this God Eater Burst video before. The first half mentions the new storyline. The second half lists all of the new features like the combo burst move, avatar cards, and bonus costumes.
And God Eater Burst has a ton of outfits. This video shows a maid costume, sailor style school uniform, something that looks like Vaan’s vest, and a teddy bear.
Pre-order God Eater Burst in Japan to get access to even more costumes via a character download card. This pack includes a butler uniform for Soma, Chinese dress for Sakuya, and a bikini for Arisa. D3 Publisher and Namco Bandai Games Europe have not announced a pre-order bonus for God Eater Burst at this time.