[3] Shingaki made her professional wrestling debut at Kaientai Dojo 16th Anniversary Club-K Super Evolution 16 on April 22, 2018 where she fell short to Ayame Sasamura.

At TJPW The Sparkling Girl Will Fly To Hakata, an event promoted by Tokyo Joshi Pro Wrestling on March 31, 2019, she teamed up with Mizuki to defeat Marika Kobashi and Miu Watanabe.

[6] At a house show promoted by Pure-J on July 10, 2019, Shingaki unsuccessfully challenged Manami Katsu in a singles match.

[8] At RibbonMania 2019, an event promoted by Ice Ribbon on December 31, 2019, she participated in a 44-person gauntlet match in which the retiring Tequila Saya went into a draw with her, Risa Sera, Suzu Suzuki, Manami Toyota, Ken Ohka, Tsukushi, Tsukasa Fujimoto, Itsuki Aoki, Banny Oikawa, Matsuya Uno, Yuki Mashiro and many others.

At the 2020 edition of the Dual Shock Wave tournament, she teamed up with Ayame Sasamura and defeated Nagisa Nozaki and Saki and Boss To Mammy (Yumi Ohka and Mio Momono) in a first round match.