Fireworks and Fights Are Ishiyama's Specialties

is volume 4 of the Beelzebub manga.

Chapters
026. Fight (戦い, Tatakai) 027. It Was Fun　(楽しかったぜ, Tanoshikattaze) 028. The Doctor Came (医者が来ました, Isha ga kimashita) 029. What Was I Thinking!? (何考えてんだ!?, Nani kangaetenda!?) 030. Entering as Comrades (仲間に入れて, Nakama ni irete) 031. Everyone Gathered (全員集合, Zen'in shūgō) 032. Fireworks and Fights Are Ishiyama's Specialties (花火とケンカは石矢魔名物, Hanabi to kenka wa Ishiyama meibutsu) 033. Which One!? (どっち!?, Dotchi!?) 034. This One Is the Parent (親はこっちです, Oya wa kotchi desu)