"One!"

The moment Harvey counted down the last number and wanted to let go of his thumb on the Thunderblast, Zeon immediately pressed his hand on Harvey's thumb, refusing to let it go.

"What are you doing, Mr. Zeon?" asked Harvey mockingly. "What a coward you are. In this kind of situation, isn't it better if I just let go of my thumb and let everyone die with us? Didn't you use this to threaten everyone? You're afraid now? Could it be that you're just a fake? And that your fearlessness before