The duo also collaborated for the other theme songs and music for Charlotte, another Maeda anime.
Kamachi is perhaps best known as part of the music duo ANANT-GARDE EYES, where she composed music alongside arranger and sound engineer Tatsuo “nagie” Nagami.
Arranger and sound engineer nagie announced on Monday that composer and pianist Ai Kamachi passed away on May 30.
The duo also collaborated with JIN for the Mekaku City Actors anime, as well as with virtual artist IA.