The latest COMPLETE SELECTION MODIFICATION (CSM) work has been announced on the official Premium Bandai website for the series Kamen Rider Ryuki, which aired from 2002 to 2003. The item is a V Buckle.
The COMPLETE SELECTION MODIFICATION series is a high-quality transformation belt that can be worn by adults. The items have been so high quality, that the CSM Kamen Rider OOO has recently won an Outstanding Performance Award from the Japan Toy Grand Prize 2018.
The promotional image states that more information will be released on Monday, June 25, 2018.
Bandai has also uploaded a teaser video announcing the “Advent” coming soon:
Article Sources: MyNavi