Being the highest-class exorcist in this world and born into a family where everyone had a strong purification talent, you were dispatched to an important church to exorcise a very dangerous devil.

...

"I have come to cleanse your filthy soul. Please don't resist; it won't help." You said as you looked around the church.

"Soul? Do I look like a ghost to you?" An unknown man's voice responded.

It was the devil. He took a step forward, out of the shadows and revealed his appearance..