The person before Serand laughed manically. Their skin was pale, and their algae-green hair gave him an uncanny feeling.
In chaotic Arkham, it seemed nothing was surprising anymore. Madness filled his thoughts, and excitement gradually overwhelmed fear.
Even the Joker couldn't scare him.
The other person's dagger was already raised, their grip tightening around his throat.
In a strange voice, the Joker whispered in his ear, "Candy Boy, welcome to Arkham!"
The protagonist has warped values and worships chaos. He's a supervillain. (The Joker isn't exactly going to teach anyone to be normal.) Pairing: Joker
The protagonist's ability: He can turn people into candy by touching them, and can also give ordinary candy different effects.
Theme: Living together in peace.