The PS2 Air is a port of the Windows game of the same name, minus the erotic content.
Debug Mode#
With the below code on, selecting デバッグ (debug) in the pause menu will turn on debug mode. This will unlock everything in the game and display debug info on-screen.
SLPS-25127 codes:
Master Code (only needed for cheat devices)
901A4978 0C069206
Enable Debug Mode
201AEDD0 00000001
20253F48 00000001(Source: Original TCRF research)
Debug Menu#
Starting a new game with debug mode active will present you with this menu. This allows you to view various scenes and listen to music.