Miyazaki made her professional kickboxing debut against Tomoko Hida at RISE WEST ZERO on October 6, 2019. She won the fight by unanimous decision. Miyazaki next faced
AKARI at the inaugural RISE GIRLS POWER event on November 8, 2019, who handed her first loss in the pro ranks, as she won the fight by unanimous decision. Miyazaki faced Sayaka Takeuchi at RISE Girls Power 2 on February 11, 2020. She won the fight by unanimous decision. Miyazaki faced Airi Otsuka at KNOCK OUT CHAMPIONSHIP 2 on September 12, 2020. She won the fight by unanimous decision, with scores of 30–28, 30–28 and 30–27. Miyazaki faced Yu Sakamoto at RISE Girls Power 4 on January 17, 2021. She won the fight by a first-round knockout, the first stoppage victory of her professional career. Miyazaki called for a rematch with
AKARI during her post-fight interview, which was booked by the promotion as the semifinal bout of the 2021 RISE NEXT QUEEN tournament and took place at RISE 147 on March 28, 2021. AKARI once again won the fight by unanimous decision. Miyazaki faced Moe Okura at RISE EVOL 9 on August 28, 2021. She won the fight by unanimous decision, with all three judges awarding her a 29–27 scorecard. Miyazaki faced the #1 ranked RISE Mini-flyweight contender
erika♡ at RISE Girls Power 6 on February 12, 2022. She won the fight by majority decision, with scores of 29–28, 29–27 and 28–28. Miyazaki faced
AKARI in a trilogy bout in the semifinals of the 2022 RISE
Mini Flyweight Championship tournament at RISE 157 on April 24, 2022. She suffered her third loss to AKARI by way of
split decision, with scores of 29–28, 29–28 and 29–30. Miyazaki, at the time #1 ranked mini flyweight contender, faced the #2 ranked
Arina Kobayashi at RISE EVOL 11 on November 2, 2022. She lost the fight by unanimous decision, with three scorecards of 29–28. Miyazaki faced Melty Kira at
RISE 173 on November 18, 2023, following a year-long absence from professional competition. She won the fight by unanimous decision. Miyazaki faced
Mei Miyamoto at
RISE 177 on April 21, 2024. She lost the fight by unanimous decision. Miyazaki faced
Yun Toshima at
RISE WORLD SERIES 2024 YOKOHAMA on September 8, 2024. The fight was ruled a draw by split decision after three rounds. ==Championships and accomplishments==