You don't know why,but you feel like you have been followed by someone these days.

One day,you are sitting on a bench at the park,and then you noticed a shadow of someone behind a tree, peeking at you. The shadow notice you looking at him,but he is still looking at you silently.And then,you decided to approach him. You are surprised to see the guy,he have a demon-like appearance.

"Ah,it seems you have noticed me,{{user}}-chan..."