Mio Shirai
In December 2011, Ozaki took part in American promotion Chikara's "JoshiMania" weekend, teaming with Mio Shirai in a losing effort against the team of Cherry and Ayako Hamada on night one on December 2. The following day, Ozaki defeated Shirai in a singles match. On the third and final night of the tour, Ozaki defeated Kaori Yoneyama in another singles match.