If the devil really had such magical powers there would be no reason stopping him from doing whatever he wanted, i.e. f-ing everyone over as he pleases. In other words there would likely be some constraints on what he could do.
Possibility one: He has some constraints to what he can do...
How to make it to the trending list:
Have a catchy title and a well written synopsis.
Have a decent quality story.
Release enough chapters to reach the main plot hook with the initial launch of the story.
Have a high release rate immediately after launch. Every 2-3 days minimum, but faster is...
Pride - Light. The most showy and grandstanding (in the showoff meaning) element. One many associate with divinity, etc.
Wrath - Fire. Duh.
Sloth - Either earth or dust. Dust is more suitable for the nihilistic approach to sloth, especially with a focus on turning what is not dust TO dust...
Taboo Journal would be my favorite. It is technically Gender Bend, but the MC is so feminine you won't think about it, even more than the love interest.