At LLPW-X Takako Inoue 30th Anniversary Show, an event promoted by Ladies Legend Pro-Wrestling on October 2, 2018, Sekiguchi teamed up with Tomoko Watanabe in a losing effort against CRYSIS (Jaguar Yokota and Megumi Yabushita).
[5] At 2AW Rina Shingaki Retirement Show, an event promoted by Active Advance Pro Wrestling on November 23, 2021, Sekiguchi teamed up with Shiori Asahi to defeat Itsuki Aoki and Ricky Fuji.
[8] Sekiguchi made her professional wrestling debut in Actwres girl'Z at AgZ Act 18, an event promoted on March 26, 2017, where she fell short to Asami Hisato.
[9] At AWG Act 45 on January 8, 2020, she competed in a 19-person battle royal won by Rina Amikura and also involving Himeka Arita, Tae Honma, Miyuki Takase, Yumiko Hotta and others.
She made her first appearance at OZ Academy Plum Hanasaku 2017 on August 20, where she teamed up with Mission K4 stablemate Sonoko Kato in a losing effort against Ozaki-gun (Maya Yukihi and Mayumi Ozaki).