tomorrows book

Jamie wants to become a summoner but lacks the potential as if something is preventing him from becoming a summoner. So one day doing an odd job as a security guard at a government research facility. He encounters an evil cult in the building. They are trying to use part of this device to revive an evil deity. He ends up thwarting their plans and ends up finding out he released a fragment of a trapped goddess in the device, He is then rewarded with being able to become a summoner. The catch is he has to free more fragments of the goddess to unlock more summons and the trials would only get harder.