Episode 1 is Dawn Is the Dividing Line Between Light and Darkness

The episode starts of with Takeru, a teenage boy who lives with his uncle. For a living he makes deliveries with his only friend Ryou, One day when they are riding through the road they see a strange light fall from the sky. They quickly go into the forest and discover a strange girl. She looks similar to the girl Ryou drew when Takeru described his perfect girl. Soon after that a monster comes out of the woods and tries to attack the girl, Takeru transforms into some strange thing and protects her. At the end of the episode he names the girl Hikari and promises to protect her.