<s>
is	O
an	O
adult-themed	B-Application
adventure	O
video	O
game	O
released	O
in	O
Japan	O
on	O
October	O
18	O
,	O
1991	O
by	O
FairyTale	O
under	O
the	O
name	O
X-Shitei	O
.	O
</s>
<s>
The	O
incident	O
changed	O
the	O
Japanese	O
bishōjo	B-Application
game	I-Application
industry	O
and	O
few	O
games	O
such	O
as	O
Rance	B-Application
remained	O
popular	O
.	O
</s>
<s>
Saori	B-Application
is	O
a	O
first-person	O
adventure	O
game	O
.	O
</s>
<s>
A	O
teenage	O
girl	O
named	O
Saori	B-Application
is	O
abducted	O
by	O
a	O
sadistic	O
woman	O
who	O
locks	O
her	O
in	O
a	O
mysterious	O
mansion	O
.	O
</s>
<s>
By	O
visiting	O
the	O
rooms	O
within	O
,	O
Saori	B-Application
unlocks	O
erotic	O
memories	O
of	O
its	O
inhabitants	O
,	O
ultimately	O
exposing	O
them	O
to	O
the	O
owner	O
's	O
cruel	O
pleasures	O
.	O
</s>
