She won the bout which also involved Chii Tomiya, Hamuko Hoshi, Hikari Minami, Hikaru Shida, Makoto, Minori Makiba, Nanae Takahashi, Riho, Tomomitsu Matsunaga and Tsukasa Fujimoto.

At Ice Ribbon New Ice Ribbon #225 on October 10, 2010, se competed in am 18-person battle royal won by Riho and also involving notable opponents, both male and female such as Jaki Numazawa, Hiragi Kurumi, Sayaka Obihiro, Takashi Sasaki and Yuko Miyamoto.

[10] Due to Ice Ribbon sharing business partnerships with various promotions, Shimouma briefly competed in several companies of the Japanese independent scene.

Her last match for the promotion took place at JWP Revolution 2010 on December 12, where she teamed up with Nanae Takahashi and Passion Hotty in a losing effort against Hailey Hatred, Kaori Yoneyama and Sachie Abe.

[12] Shimouma also competed in NEO Japan Ladies Pro-Wrestling, making one of her last appearances at a house show promoted on October 31, 2010, where she competed in a battle royal won by Yoshiko Tamura and also involving Aya Yuuki, Tanny Mouse, Toshie Uematsu and Yuki Miyazaki.