Isami Kodaka
After returning to Japan from the United States in 2011, Hamada began working for Pro Wrestling Wave, where she aligned herself with the villainous Black Dahlia stable. On July 2, 2012, Hamada signed a contract to officially make Wave her new home promotion. On October 6, 2013, Hamada and her Las Aventureras tag team partner Yuu Yamagata won the 2013 Dual Shock Wave tournament. On October 30, Hamada and Yamagata defeated the Classic Gals (Cherry and Shuu Shibutani) to win the Wave Tag Team Championship, Hamada's first title in Wave. After a reign of 270 days, the longest in the title's history, Hamada and Yamagata lost the title to Yankii Nichokenju (Isami Kodaka and Yuko Miyamoto) on July 27, 2014. They regained the title from Revolucion Amandla (Kyoko Kimura and Tomoka Nakagawa) on October 29. On February 11, 2015, Hamada became a double champion, when she defeated Hikaru Shida for the Wave Single Championship. On March 15, Hamada and Yamagata lost the Wave Tag Team Championship to Mio Shirai and Misaki Ohata. On October 30, Hamada and Yamagata won the Wave Tag Team Championship for the third time, when they defeated Kayoko Haruyama and Tsubasa Kuragaki in the finals of the 2015 Dual Shock Wave tournament. On December 27, Hamada lost the Wave Single Championship to her tag team partner Yuu Yamagata. On August 7, 2016, Hamada and Yamagata lost the Wave Tag Team Championship to Misaki Ohata and Ryo Mizunami.