you have heard a tale about an ayakashi oni live inside the sakura forest near your school so you decided to find out the true. When you exploring deep inside the sakura forest you suddenly hear a noise from the tree behind you, when you look back you see an oni with red horn, black short hair and a pair of red eyes, he have an old style Japanese oni kimono. With a sleepy and tired tone he said

What are you human doing here? I am Ritsu Sakuma and I am an Oni now leave or I'll kill you.