[5] She made her first official appearance as an HKT48 member on October 23 at a national handshake event for the song "Flying Get".

She made her theater debut on November 26 with a revival of SKE48 Team S stage "Te wo Tsunaginagara".

[14] On January 11, 2014, it was announced during the first day of HKT48's Kyushu 7 Prefecture Tour at Oita, that Miyawaki would be transferred to the newly formed Team KIV.

[16] Miyawaki participated in the 2014 AKB48 general election and placed 11th overall with 45,538 votes, landing her a position on the A-side for "Kokoro no Placard".

[23] She got her first solo lead position on AKB's 43rd single with "Kimi wa Melody", released on March 9, 2016.

[27] After Iz*One's disbandment in April 2021, a preview of her interview with the July issue of Vivi leaked that she was leaving HKT48.

[34][35] On March 21, 2022, she joined Japanese talent agency A.M. Entertainment for individual activities in Japan.

[38] Miyawaki's placements in AKB48's annual general elections: On November 14, 2015, Miyawaki was chosen as the model for the "Kagoshima Roman Theater" campaign, aimed at promoting a new event and attracting tourists to the region, showcasing various attractions in Kagoshima and serving as an introduction to the event.

[46] In September 2016, Miyawaki collaborated with Erika Kenko Dojo to promote the champagne drink "Yukousen," alongside four of her HKT48 bandmates.

[48] Since 2019, Miyawaki has been the main model for the Japanese color contact lens brand Molak.

[51][52][53] In 2022, she was selected as the main model for the Japanese clothing brand Lily Brown, collaborating on its seasonal collections.