!, an event promoted by JWP Joshi Puroresu on June 13, 1999, she teamed up with Kayo Noumi to defeat Tsubasa Kuragaki and Kayoko Haruyama.

One of them is the Japan Grand Prix, making her first appearance in the 1998 edition, placing herself in the Junior Block which she won with a total of twelve points after competing against Emi Motokawa, Momoe Nakawaki, Nanae Takahashi, Noriko Toyoda and ZAP Nakahara in the first stages and the fell short to Kaoru Ito in the semi-finals.

[8] One year later at the 1999 edition of the event, she scored only five points in the single block which also featured Yumiko Hotta, Takako Inoue and Tomoko Watanabe.

[9] On July 15, 2013 at Chapter Two Beginning, Wakizawa teamed up with Takahashi as "NanaMiho" to defeat Kawasaki Katsushika Saikyou Densetsu (Natsuki☆Taiyo and Yoshiko) in the finals of a four-team tournament to win the vacant Goddesses of Stardom Championship.

At the 2014 edition of the event, she teamed up with Koguma, placing themselves in the Blue Block and scoring a total of two points after competing against Hatsuhinode Kamen and Kaori Yoneyama, Io Shirai and Mayu Iwatani, and Star Fire and Mystique.