Ayase is a Japanese singer-songwriter who is part of the music duo YOASOBI. YOASOBI is known for their unique blend of pop and electronic music, and their songs often feature introspective and emotional lyrics. They gained popularity with their debut single "Yoru ni Kakeru" in 2019, which became a viral hit on social media platforms. Since then, they have released several successful singles and have garnered a large fanbase in Japan.
Source: https://www.yoasobi-music.jp/