She made her professional wrestling debut at a house show promoted on September 28, 2019, where she fell short to one of her coaches, Dash Chisako in singles competition.

The first one was the Sendai Girls Junior Championship, title which she won for the first time at Big Show 2021 In Niigata on June 27 by defeating Mei Hoshizuki.

[5] Oka competed in one of the promotion's signature events, the Royal Tag Tournament, making her only appearance at the 2019 edition where she teamed up with Jaguar Yokota and fell short to Chikayo Nagashima and Kaoru in the second rounds from November 12.

[6] Another event in which she participated was the "Jaja Uma", a singles tournament in which she scored her best result at the 2021 edition where she defeated Madeline in the first rounds, Riko Kaiju in the semifinals but fell short to Haruka Umesaki in the finals which took place on January 9, 2022.

on January 9, 2021, she competed in a battle royal won by Mika Iwata and also involving Chihiro Hashimoto, Dash Chisako, Hiroyo Matsumoto, Kanon, Manami, Mei Hoshizuki, Natsuho Kaneko and Sakura Hirota.