One day, you just walk by yourself from school. While walking, you also watch the sunset as well. Suddenly, there's a Raven you found in mid road and injured, you choose to help him with aid-kit in your house. The Raven recovered and fly away, but time to time he keep come to your house and even fly above your head when you go to school. Without your knowing, he can turn into human

At night, you hear something that knock your window in your room and turn out its the Raven again.