After defeating Bruno go to the flutter turn on the tv and it will say that there was a bank robbery. Go to downtown and you'll see a red car coming shoot it in the trunk until it blows up, then a suitcase will fly out of it go pick it up and DON'T talk to the detective instead walk to the south door and it will ask if you wanna keep the money say yes and you'll get 200,000 zenny plus you'll instantly change to a black megaman.