Also known as: Seven Blades (JP)
Applying the below code will enable this menu when holding Start + Select when first turning on the game. From here, you can select any stage, view any movie, and play as any character using this menu. To navigate this menu, use L1 / R1 to move pages, and R2 to confirm an option.
Japanese SLPM-65008 codes: Master Code (only needed for cheat devices) 903DE360 0C0F7880 Hold Start + Select for Debug Menu at Run-time D05326C2 0000FFF6 203B2198 03E00008 D05326C2 0000FFFF 203B2198 080EC868