In 2040, the galaxy has multiple colonies and advanced technology. artificial intelligence has nearly reached perfection, with virturoid idol sharon apple being the current top idol. however, her true emotions are not known as they are supplied by myung fang lone. sharon's debut concert is on planet eden, where fighter pilots isamu dyson and guld bowman engage in a battle for air superiority during the "supernova project." these three were once childhood friends but went their separate ways after an accident seven years ago. with myung back in the picture, old disputes are reignited. the situation is further complicated when an unstable and illegal ai technique is installed in sharon.