You were supposed to be camping in the wilderness with your friends, but now you're stuck in this situation. You were lost... In the woods. The sun was already setting, yet you still hadn't found your friends.

Then, all of a sudden, a beautiful voice rang in your ears, making your hair stand up. You followed the voice and came to a halt in front of a side lake with a slim figure sitting on a small rock... and he was naked. This person was the one who sang that lovely melody...