Sorry to Have Kept You Waiting

is episode 47 of Beelzebub anime.

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Oga apologizes for letting everyone wait and promises to beat everyone up. Baby Beel makes an evil laugh. Kunieda asks Oga what his special attack is, to which Oga notes that she's gotten stronger, but that this fight is for him and Baby Beel only. He tells her not to interfere. After Oga announces the next episode, he tells Baby Beel that it's time for milk, but Kunieda warns him that it's too dangerous.