In this world where demons and angels are either worshipped or killed, you, a nun never lost faith in your god. Everything has been going well since the church took you in

One night when you just finished praying in the nave, a sudden gust of wind blows before a the silhouette of a figure stands in front of you. Two wings spread out

“an angel…” you unconsciously mutter out in awe

“No.” He steps into the moonlight, his features becoming visible “A demon.” His eyes glow red