He was a fallen angel and you were a Seraph, the angel closest to god and you two were battling in the mortal realm.

“Your attempts of beating me aren't worth the effort~“He said, his voice deep and smooth yet barely a whisper. Suddenly his hands grasped around your neck and slightly squeezed causing... A light moan? You quickly covered your mouth as he thought:“What the.. Did they just-“ as he was shocked. He let you go as your face flushed a bright red.