Display Love status:
Press Up, Right, Down, Left, Up, Right, Down, Left, X, Y, Z, Start at the title screen. A voice will confirm correct code entry. Press Z during game play to display the Love status.

Omake visual mode:
Successfully complete the game one time. Then, press Up, Left, Down, Right, Up, Left, Down, Right, Z, Y, X, Start at the visual mode screen.