DDT Pro-Wrestling (2018; 2021–present) Arai made her
professional wrestling debut in
DDT Pro-Wrestling at
DDT Live! Maji Manji #21 on October 28, 2018, where she competed in a
gauntlet battle royal to defend the
Ironman Heavymetalweight Championship she won three weeks days earlier at a
house show against her
SKE48 senior
Kaori Matsumura. The match was won by
Maki Itoh and also involved various other opponents including
Cherry,
Emi Sakura,
Mizuki,
Saki Akai, and
Yuki Kamifuku. Arai resumed her professional wrestling career following a two-and-a-half-year hiatus, primarily competing in the sister promotion
Tokyo Joshi Pro-Wrestling. Arai made her return to DDT at
Never Mind 2022 on December 29. She reunited with her "Reiwa Ban AA Cannon" tag team partner Saki Akai, and together they were victorious over
Saori Anou and
Riko Kawahata.
Tokyo Joshi Pro-Wrestling (2021–present) Arai's first appearance in
Tokyo Joshi Pro-Wrestling was at Yes! Wonderland 2021 on May 4, where she and
Miu Watanabe were defeated by
Arisu Endo and Maki Itoh. During her tenure with the promotion, she sought to obtain various championship titles. At Tokyo Joshi 2021 Autumn on December 4, she participated in a
battle royal to determine the number one contender for the
International Princess Championship won by Maki Itoh. At Grand Princess '22 on March 19, she unsuccessfully challenged Itoh for the same title. Arai achieved her first
Princess Tag Team Championship victory by forming a partnership with Saki Akai and prevailing over Magical Sugar Rabbits (Mizuki and
Yuka Sakazaki) at Summer Sun Princess '22 on July 9. They lost the titles at Tokyo Joshi Pro '23 on January 4 to Wasteland War Party (
Heidi Howitzer and
Max the Impaler). On March 29, 2026, at Grand Princess '26, Arai defeated Watanabe to win the
Princess of Princess Championship for the first time.
Pro Wrestling Noah (2021) As a brand of the
CyberFight promotion, TJPW participated in cross-over events held between the three promotions owned by CyberFight: DDT, TJPW and
Pro Wrestling Noah. At
CyberFight Festival 2021, held on June 6, she joined forces with
Hikari Noa and Mizuki in a losing effort against Maki Itoh,
Marika Kobashi and Yuki Kamifuku. At the
Keiji Muto Grand Final Pro-Wrestling "Last-Love" event on February 21, 2023, Arai teamed up with Mizuki, Maki Itoh and Miu Watanabe in a losing effort to Yuka Sakazaki,
Miyu Yamashita,
Shoko Nakajima and
Rika Tatsumi. ==Championships and accomplishments==