research on rough stones. He wasn't just a useless playboy!"If it were possible to increase the drop rate of ores so that they guaranteed a gem every time, how much money could be made"Chen Ping sudd...did Muto Shinichi's gaze turn coldly toward Kawaguchi Kazuo!"You treacherous scum, you've disgraced our island nation's martial arts world. Today, I sentence you to death!"Immediately afterwards, ever...