Born in Osaka, Aina the End has a natural husky voice and unique expressions. In 2021, she released her first album "THE END," featuring entirely self-written and composed songs, marking the beginning of her solo career. In June 2023, she left BiSH, and is currently active as a solo artist.

In 2022, she took on the lead role of Janis Joplin in the first-ever Japanese production of the Broadway musical "Janis." In October 2023, she made her film debut as the lead in the movie "Kirie no Uta," directed by Shunji Iwai. In the film, she not only performed as an actress but also wrote lyrics and composed songs, releasing an album titled "DEBUT" under the name "Kyrie."

In January 2024, she held their first solo live performance since leaving BiSH at LINE CUBE SHIBUYA, with tickets selling out the day they went on sale. From March 2024, she embarked on a solo tour titled "Grow The Sunset."