Reborn as a Fox Demon, I Become the Grim Reaper of the Demon Realm

[Single heroine + the original couple stays together + Soul Reaper] Well, I transmigrated. Three years as an overworked corporate drone, then the rest of my life with cheat-level powers. I awakened the strongest Soul Reaper System, and started out with Kyoka Suigetsu. “Complete hypnosis... Why does it feel like I got handed the villain's script?” There's no right or wrong. I only do what I want to do. What I see isn't necessarily false, and what I hear isn't necessarily untrue. [Admiration is the emotion furthest removed from understanding.] “You can't touch reality. Your eyes, your body, they're all deceiving you... But this time... they won't.” [Rules exist for the sake of those who don't follow them.] “It has never changed. It never has.” [Visible betrayal isn't terrifying. The truly terrifying betrayal is the one you can't see.] I'm just an ordinary teacher. Back then, they called me a demon, but I think I'm better than the person I used to be...