The Scum Who Bullied My Sister Should All Die.

He can say the softest words and punch the hardest. In the real world, Fan Meng, a good man who always coaxes his leaders and colleagues, faces customers with a smile, and circumvents obstacles like water, releases the most ferocious side of his heart after traveling into the world of mixed martial arts. No matter who you are, if you dare to bully my sister, I will send you to the west with one punch.