Srkaxy is a peaceful world, but one day a visitor from the outside world comes to face an unprecedented crisis. The visitor seizes the king's symbol - the king's soul stone, attempts to use the king's soul stone to occupy Srkaxy, and then releases the prophecy "It only takes 5 years." Soon time passed, and in order to fight, some people in Srkaxy used space forbidden magic to summon two people to the fantasy world. What kind of desperate struggle will follow?