nd Shiho Submit attending cherry bass school, childhood friend of Katsuragi ShinRina. Two men while there is no opportunity to step up from the long-standing relationship of "childhood friend", I had spent the day-to-day calm. Evening One day, two men are suddenly attacked by the monster of the variant. Monster is the invaders who came from the different world-Karuron, and hit the man, and committed, it was there that we took the magic. And in the pinch of the desperate situation, lily woman scientists and Amakubo that appeared suddenly is, pass throw the "Aix-device" to ShinRina. "Bright Feather Expansion!"The moment you cast a keyword that floated in the brain, ShinRina will be transformed into awaken the inner power "light wing warfare princess ex-tier". And ShinRina is, it was to repel Phantom by making full use of enhanced physical abilities.