"I don't want others to experience something called pain." Chorong the android was born out of the grief of William, a man who recently lost his daughter. Believing that her purpose is to help him escape his sadness, she tries to mimic the daughter. However, her plan backfires, leading her to think that her autotune-like, robotic voice is what differentiates her from the daughter. Together with a busker named James, Chorong leaves on a dangerous journey through a post-apocalyptic world to change her voice.