During her three-year tenure with the promotion, Shimouma chased for various championships owned by the company. At Ice Ribbon 158: Osaka Ribbon II on February 20, 2010, she teamed up with her "Passion Red" stable tag team partner Nanae Takahashi to defeat Meat Monsters (Hamuko Hoshi and Hiroyo Matsumoto).[5] They dropped the titles two months later at Ice Ribbon 180: Golden Ribbon on May 3, 2010, to 385Myankie's (Jun Kasai and Miyako Matsumoto) in an intergender tag team match.[6] Another championship she has held was the Triangle Ribbon Championship, title which she won at Ice Ribbon 202: Itabashi Tournament on July 19, 2010, by defeating the reigning champion Nanae Takahashi and Makoto in a three-way match.[7] At Ice Ribbon New Ice Ribbon #240 on November 27, 2010, Shimouma competed twice. Firstly by successfully defending the Triangle Ribbon title against Emi Sakura and Nanae Takahashi, and secondly in a gauntlet match contested as part of a tournament to inaugurate the "Ice Ribbon Pupil Belt". 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.[8] She also took part in many match gimmicks. 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.[9]
Shimouma retired from professional wrestling at RibbonMania 2010 on December 26, where she teamed up with Nanae Takahashi and Natsuki Taiyo in a losing effort against Emi Sakura, Hamuko Hoshi and Sayaka Obihiro as a result of a six-woman tag team match.[10]