She was cast in 2020 as Toru Asakura in The Idolmaster Shiny Colors series of singing video games, and has had over 15 musical album releases as that character.

Wakui played the lead role of Shiori Goshiki (opposite Taku Yashiro as Ichiro Kuga) in the 2023 anime adaptation of A Galaxy Next Door.

[2] She took lessons in classical ballet from a young age, which helped create an interest in theatre and performance.

In 2016, Wakui voiced Yōko Nishikawa, one of the protagonists in the anime television series Three Leaves, Three Colors.

[5] As part of that series, a Clover Kakumation music album was released in April that year featuring singing by Wakui, Mai Kanazawa, and Ayaka Imamura.

[7] In a 2017 Nissin Cup Noodle commercial, she played a younger Sazae Fuguta as part of the "Hungry Days" advertising series.

[10] Wakui was announced in February 2022 for the lead role of Shiori Goshiki (opposite Taku Yashiro as Ichiro Kuga) in the anime adaptation of A Galaxy Next Door.

[12][13] Beginning in 2020, she played the role of Toru Asakura in The Idolmaster Shiny Colors series of idol star video games.

[21][22] The related 3rd Live Tour Piece on Planet / Fukuoka was released the following month, debuting at #6 and remaining charted for three weeks.