Kaori Yoneyama
On January 14, 2013, Taiyo and Kawakatsu-gun stablemates Act Yasukawa and Saki Kashima first defeated Nanae Gundan (Miho Wakizawa, Tsukasa Fujimoto and Yui Yokoo) in the first round and then Team Shimmer (Kellie Skater, Portia Perez and Tomoka Nakagawa) in the finals to become the inaugural Artist of Stardom Champions, making Taiyo a triple champion in the promotion. Six days later, Taiyo and Yoshiko defeated Thunder Rock (Io Shirai and Mayu Iwatani) to make their second successful defense of the Goddess of Stardom Championship. This was followed by their third successful defense against Nanamiho (Miho Wakizawa and Nanae Takahashi) on February 10. On March 3, Taiyo made her third successful defense of the High Speed Championship, when she wrestled freelancer Kaori Yoneyama to a thirty-minute time limit draw. On March 17, Taiyo and Yoshiko lost the Goddess of Stardom Championship to Kimura Monster-gun representatives Hailey Hatred and Kyoko Kimura in their fourth title defense. On April 29 at "Ryōgoku Cinderella", Taiyo made her fourth successful defense of the High Speed Championship against Yuhi. On May 9, Kawasaki Katsushika Saikyou Densetsu was stripped of the Artist of Stardom Championship, after both Kashima and Yasukawa had been sidelined with injuries. On June 2, Taiyo lost the High Speed Championship to Kaori Yoneyama in her fifth defense, ending her third reign at 679 days. On July 15, Taiyo and Yoshiko attempted to regain the vacant Goddess of Stardom Championship in a one-night tournament. After defeating Thunder Rock, the two made it to the finals of the tournament, where they were defeated by Nanamiho. On August 17, Taiyo also attempted to regain the Artist of Stardom Championship with stablemates Act Yasukawa and Yoshiko, but the three were defeated by the defending champions, Kairi Hojo, Kaori Yoneyama and Yuhi. At the conclusion of the event, Yasukawa turned on Taiyo and Yoshiko and jumped to Kimura Monster-gun. From August 25 to September 23, Taiyo took part in 5★Star GP2013, where she finished with a record of two wins, one draw and two losses, with a loss against Nanae Takahashi on the final day costing her a spot in the finals. In November, Taiyo and Yoshiko became the only team to have taken part in all three Goddesses of Stardom Tag tournaments. The two made it to the semifinals of the tournament, before losing to Kimura Monster-gun representatives Alpha Female and The Female Predator "Amazon".