Board Thread:News and Announcements/@comment-26868869-20170526135355/@comment-25058432-20170527191100

https://twitter.com/mantanotaku/status/868301766009344000

According to this twitter post, this mysterious new villain's seiyuu will be Chiemi Chiba, who is most known for her role of Doremi Harukaze in Ojamajo Doremi.