Unlock the following bonuses by completing the game on the corresponding difficulties:

BONUS - HOW TO UNLOCK
1 Million Yen bonus - Complete the game on easy or normal difficulty.
3 Million Yen bonus - Complete the game on hard difficulty.
EX-Hard mode - Complete the game on hard difficulty.
Dragon Nunchaku - Beat the game under the Ex-Hard difficulty setting.
Premium Adventure mode - Complete the game on any difficulty.
Premium New Game mode - Complete the game on any difficulty.
Reminiscence (Kaisou) mode - Complete the game on any difficulty.
Ukiyo's Bell - Have a saved game file from Ryu Ga Gotoku Kenzan! on the PS3 hard drive.
Ultimate Competition (Kyuukyoku Tougi) - Complete the game on any difficulty.