Cheat mode:
Select the first (top left) option at the main menu. Choose any
league. On the next screen, select the second team's name. At
the next screen, press Up + A to edit that team's
name. At the edit screen, press Down(2), Right(4)
and select the highlighted Japanese character. Then, press Down(2)
and select the highlighted Japanese character. Then, press Right(4),
Down and select the highlighted Japanese character. Press
B to return to the main menu. Select the top middle option.
On the next screen, press Down(12) to move the pointer
near the bottom. Press B to return to the main menu then
press Select to display the debug menu.