He was still expressionless, he continued to move forward relentlessly. I had once screamed, gradually, I lost my voice. I had once cried, gradually, I lost my tears. I had once grieved, gradually, I became able to withstand everything. I had once rejoiced, gradually, I became unmoved by the world. And now! All I have left is an expressionless face, my gaze is as tough as a monolith, only perseverance remains in my heart. This is my own, an insignificant character's — Perseverance! . . An Otherworldly Demon (who is actually a demon) enters the Gu world. . -FTM volume X-