It was.. sort of ridiculous. [ Of course she's glad it ended well, but still.. ] Beatrice just barged in during the ceremony with the answer to the whole logic error, even if it barely made sense. So she solved it and Battler onii-chan came back, they both beat Erika and then he turned down her love or whatever.

[ Ange would make a bigger deal out of the last part but it was predictable, everyone knows how much Battler likes Yurippe. ]