Betrayal?

is part A of episode 56 of the Beelzebub anime.

The Men's Turn...? is part B of episode 56.

Summary
Furuichi finds a letter that addresses to Hilda, and he gets the gang to throw Hilda a surprise birthday party. However, Hilda thinks everyone planning a plot to take over the demon world. Will Furuichi's plan come to fruition?

Characters in order of appearance

 * 1) Takayuki Furuichi
 * 2) Tatsumi Oga
 * 3) Beelzebub IV
 * 4) Lamia
 * 5) Misaki Oga
 * 6) Hilda
 * 7) Nene Ōmori
 * 8) Yuka Hanazawa
 * 9) Chiaki Tanimura
 * 10) Aoi Kunieda
 * 11) Alaindelon
 * 12) Ak-Baba
 * 13) Great Demon Lord