From Yen On:
The school city of Rokka-also known as "Asterisk." Here boys and girls of the Starpulse Generation all compete in the Seibusai-the "star battle festival," fighting for glory on the greatest combat entertainment stage of the world. Ayato Amagiri has just arrived at one of these academies at the express invitation of its student council president but when he begins…
okiura
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From Baka-Tsuki:
In the near future, a Japanese scientist engineers a powered exoskeleton called "Infinite Stratos" (IS). Possessing technology and combat capabilities far more advanced than any other weapon system, the IS threatens to destabilize the world. Faced with such an overpowering weapon, the nations of the world enact the "Alaska Treaty", which states that IS will…