Talk:Tokugawa Kaiten Meikyū - Ōoku/@comment-33126314-20190401002848/@comment-36526470-20190401030201

Apparently yes. The 6th floor is what it meant for the boss. At the moment it is not possible to explore it. And I believe it will not be in the future.

However, when catching Kama Besta, they open new paths on all floors so you will have a few more missions to complete.