[14] Sera demanded an even harder rematch with light tubes, but this was declined by management of Ice Ribbon, because it would be deviating from the main concept of the promotion.

[24] On December 1, 2021, it was announced that Sera, along with Suzu Suzuki, Mochi Miyagi, Akane Fujita, and Kurumi Hiiragi were departing the company to start a freelance deathmatch unit called Prominence.

[28] Sera aligned herself with Suzu Suzuki, Hiragi Kurumi, Akane Fujita and Mochi Miyagi in the Prominence stable at the end of 2021 after their contract with Ice Ribbon expired, leaving them to wander as freelance wrestlers.

[30] On the first night of the Stardom World Climax 2022 from March 26, Sera teamed up with her Prominence stablemate Suzu Suzuki to defeat Donna Del Mondo's (Maika and Thekla).

[33] At Stardom in Showcase vol.1 on July 23, she teamed up with Suzu Suzuki to face Giulia and Mai Sakurai in a hardcore match, winning in a dominant fashion and continuing the Prominence/DDM feud.

[34] At Mid Summer Champions in Nagoya, the second event of the Stardom Mid Summer Champions series which took place on July 24, 2022, Sera teamed up with Suzuki and Hiragi Kurumi to defeat Cosmic Angels (Mina Shirakawa, Unagi Sayaka & Hikari Shimizu) and Queen's Quest (Lady C, Hina & Miyu Amasaki).

[37] At the 2023 edition of the Triangle Derby, Sera will team up with Suzuki and Kurumi and compete in the "Triangle Blue" where they will face the teams of Rebel&Enemy (Ram Kaicho, Maika Ozaki and Maya Yukihi), Lollipop (Waka Tsukiyama, Yuko Sakurai and Rina Amikura), Classmates (Hazuki, Koguma and Saya Iida), MaiHime with C (Maika, Himeka and Lady C), Abarenbo GE (Syuri, Mirai and Ami Sourei), and Oedo Tai (Natsuko Tora, Momo Watanabe and Saki Kashima).