Furuichi: Fallen in Love

is part B of episode 53 of Beelzebub anime.

Baby Beel: First Conquest is part A of episode 53.

Next episode preview
Baby Beel and Black Baby Beel try to introduce the next episode. Oga finds them annoying and understands they want to, but can't understand them. Saotome offers to explain: Something takes Black Baby Beel and he somehow turns into a giant on a southern island. He calls Oga a piece of crap. After Oga introduces the next episode, Saotome then asks him what he fed to make Black Baby Beel grow so big.