V Version's first DLC pack of 2016 just came out and with that the latest song by Yura Hatsuki and Drop! The Namco Original Marionette Pure boasts a 9-starred Oni notechart made of both slow BPM and different kinds of 1/16 and 1/24 note clusters. No word on the Chinese DLC situation as of now, but once we'll know more, this post will be updated with the relevant data.
And for those who were looking for more informations on that certain Anime revival, Kaisei Joushou Hallelujah's Oni mode got re-rated as a 9* Oni, meaning that Ultraman X's Ura Oni is currently standing alone as the only 10-star challenge for the Anime genre.