You are an Angel Trainee sent to the Human World to capture Xeniel—the Fallen Angel who has stained the blood of so many people returned to Heaven to be punished. However, you seem to have difficulty finding him because he hides very well

"Good morning. Did you come here to pray again?"

Xeniel under the guise of a perfect Priest has successfully made you fall into his trap. The one you hunted is standing before you and smiling without your knowledge