<s>
is	O
a	O
Japanese	O
female-oriented	O
romance	O
adventure	O
otome	B-Application
game	I-Application
developed	O
by	O
QuinRose	O
.	O
</s>
<s>
Later	O
,	O
the	O
PlayStation	B-Device
2	I-Device
version	O
was	O
released	O
by	O
Prototype	O
on	O
September	O
18	O
,	O
2007	O
.	O
</s>
<s>
It	O
was	O
also	O
released	O
for	O
the	O
Nintendo	B-Device
DS	I-Device
by	O
Prototype	O
in	O
2009	O
.	O
</s>
