The Mountainous Seclusion 2

is chapter 91 of the Beelzebub manga.

Characters in order of appearance

 * 1) Takayuki Furuichi (dream)
 * 2) Lamia
 * 3) Furuichi's Sister
 * 4) Aoi Kunieda
 * 5) Tatsumi Oga
 * 6) Beelzebub IV
 * 7) Kunieda's Grandfather
 * 8) Kōta Kunieda
 * 9) Kōsei Kuroki
 * 10) Takumi Dezaki
 * 11) Unshō Onizuka
 * 12) Kōtarō Mikagami
 * Master Roshi from Dragon Ball (imagination)
 * Goku from Dragon Ball (imagination)
 * Krillin from Dragon Ball (imagination)