The All-Out Showdown

is volume 7 of the Beelzebub manga.

Contents

 * 053. The Quiz
 * 054. Hajime Kanzaki
 * 055. Everyone Go Home
 * 056. The All-Out Showdown
 * 057. I Don't Know You
 * 058. Latecoming Man
 * 059. He Came
 * 060. Strongest
 * 061. The Next Battle Is
 * Extra: The Great Midwinter Duel in the Midsummer!!