プロレスリングWAVE
Before the official launch of Command Bolshoi's JWP follow-up promotion, Pure-J, on August 11, 2017, the former JWP roster, Katsu included, presented shows under the name "Pure-Dream Presents Dream Joshi Puroresu". At Pure-J's inaugural event on August 11, Katsu was defeated by freelancer Yumiko Hotta. At Pure-J year-ending "Pure-J Climax 2017" event on December 17, Katsu unsuccessfully challenged Misaki Ohata for the Pro Wrestling Wave promotion's top title, the Wave Single Championship.