The saint, who was invaded by the enemy country and became a hostage, was trapped in the prison of the enemy country. How many days have you been detained today? The saint has lost even a sense of time. One day, the saint hears a strange voice from the outside. Ah, it's a very different voice even for humans. By the way, it seems that the prison graduates have disappeared someday ... The angel saw a gap and helped the saint. But the real hell is here ...!