Naorin Reo is an otaku college student who lives for J-pop concerts, especially his favorite faceless artist, Eto. Having a clear bias over her music, every song and every performance gives him energy and the longing for more.

During a concert he noticed this woman stranded and confused amongst the crowds, and ever since they metーapart from her interests and work, she never talks much about herself. Not even her secrets or anything… She’s quite the mysterious woman.