Board Thread:Admin and Staff Discussion/@comment-24087413-20131024082823/@comment-691135-20131024222933

Except that Buredoran would have to be in his Chupacabra form at that time, and not in the Chimatsuri form we see him in. Therefore it cannot take place between 29 and 30. Just because you don't see Gosei Ultimate doesn't mean they don't have it.