First day sales in Japan

[360] Star Ocean 4: The Last Hope (Square Enix) – 131k
[PSP] Idolmaster SP: Perfect Sun (Bandai Namco) – 33k
[PSP] Idolmaster SP: Missing Moon (Bandai Namco) – 28k
[PSP] Idolmaster SP: Wandering Star (Bandai Namco) – 24k
[NDS] Shining Force Feather (Sega) – 19k
[PS2] Sacred Blaze (Flight Plan) – 14k

Source