<s>
It	O
has	O
versions	O
for	O
four	O
different	O
platforms	B-Device
:	O
Windows	O
CD	O
(	O
3	O
Disc	O
)	O
,	O
Dreamcast	B-Operating_System
,	O
PlayStation	B-Device
2	I-Device
,	O
and	O
Windows	O
DVD-Rom	O
.	O
</s>
<s>
There	O
were	O
two	O
anime	O
OVA	O
adaptations	O
of	O
the	O
game	O
,	O
a	O
two-episode	O
hentai	O
OVA	O
in	O
2002	O
,	O
and	O
Mizuiro	B-Application
2003	O
,	O
a	O
two-episode	O
non-hentai	O
OVA	O
in	O
2003	O
.	O
</s>
