Plot Twist (or not)

The first person he loved wasn't actually that guy but the Devil that he met when he almost died, he just doesn't realize it. Near the end, when he succeeds in making that guy have feelings for him and the Devil feels it, the Devil feels sad because he actually fell for him during all those times, but when he begins to return back to the demon world he suddenly notices that the contract has'nt been fulfilled yet, the Devil starts to wonder why and went back to his house then he finds him on the bed and they talk about how the guy may have made his heart flutter, but his first love was the Devil, and he confesses that he loves him and its mutual, then the contract finishes and they become a couple badabim badabam badaboom BABIES!!, cuz magic lol.