Tatsumi-kun and Takachin

is chapter 174 of the Beelzebub manga.

Characters in order of appearance

 * 1) Takayuki Furuichi (flashback)
 * 2) Tatsumi Oga (flashback)
 * 3) Lamia
 * 4) Behemoth (spirit)
 * 5) Hilda
 * 6) Beelzebub IV
 * 7) Misaki Oga (flashback)
 * 8) Itoi Shizuku (flashback)
 * 9) Haruka (flashback)