[6] Tsukiyama made her professional wrestling debut at AWG Color's, an event promoted by Actwres girl'Z on September 6, 2020, where she teamed up with Ayumi Hayashi in a losing effort against Saki and Sakuran Bonita.
While holding her speech for her match pairing with Lady C against Oedo Tai's Saki Kashima and Rina, Waka Tsukiyama called out Tam Nakano and requested her and the other Cosmic Angels members to join their unit which they accepted.
[11] At Tokyo Super Wars on November 27, 2021, Tsukiyama unsuccessfully challenged Ruaka and Mai Sakurai in a three-way match for the Future of Stardom Championship.
[12] At Osaka Super Wars from December 18, 2021, she teamed up with Mai Sakurai and Lady C to unsuccessfully challenge Syuri in a 3-on-1 handicap gauntlet match.
[16] On September 25, it was announced that Tsukiyama would be producing MOONDOM, a Stardom event that focuses on support for an English-speaking audience in Japan and features wrestlers from other Japanese women's professional wrestling promotions.