In a highschool there is a locked since the school was built. The key passed to other generations of the principal of the highschool. Now in 2025, the current principal's son, Jordan got the key for his 18th birthday and didn't know the secret of the key, and found it useless but his father told him to always keep it with him as he did himself. One day, in the evening, Jordan went back to school as he forgot his work in the locker. He saw something weird far away, a green light glowing. He approached and realised that it was the locked door . The key react to the door. He hold out his hand to touch the door handle. And suddenly visions of another world appear in Jordan's head. There were mythical creatures and other kind of creatures he never seen before. And the nature was a beauty to watch. The visions stopped, Jordan looked at the key and hesitated to open the door. He went back home and lie on his bed and confidently said, "How about going for an adventure?" What will Jordan meet there? His destiny? Treasures? Death? or simply love with a girl? You will know when you read the story. So enjoy!