Asuka Ōkura

Japanese musician

Asuka Ōkura , also known by the stage name Asca, is a Japanese singer and musician signed to Sony Music and Sacra Music. She made her debut in 2013 after becoming a finalist at the 5th Animax All-Japan Anisong Grand Prix. After focusing on her studies, she resumed her music career in late 2016. Her songs have been featured in many anime series, such as Sword Art Online, Fate/Apocrypha, Darwin's Game, Edens Zero, and The Irregular at Magic High School.

from Wikipedia