CMX/FLEX COMIX. Years ago, Riku's adoptive father, Rocky, destroyed another man's dojo. Now the man has grown old and wealthy, but he still carries the bitterness of that incident. In fact, he's been training his grandson to become a crack martial artist so he can get revenge. But when the grandson arrives, Rocky's away, so Riku is forced to fight. Will this challenger finally humble the girl with the steel fist?