Trick or Treat

It's nearing the end of Halloween. Katsuki has spent the night, dutifully giving out candy to obnoxious kids. He's about to shut off the porchlight when his doorbell rings. Standing on his doorstep is Izuku, the most damn adorable kid Katsuki has ever laid eyes on. As soon as he sees him, he knows that he has to have his Halloween treat in the form of devouring the kid