Watashi no Naka no Gensou-teki Sekaikan Oyobi Sono Kengen wo Souki Saseta Aru Genjitsu de no Dekigoto ni Kansuru Ichi Kousatsu

As a part of the band Irodorimidori, Nagi Kotoboke always seems laid-back as she dons her headphones while playing her keyboard. However, lying beneath her quiet demeanor is a girl whose imagination extends into a spectacular and vast fantasy wonderland. [Written by MAL Rewrite]