<s>
is	O
a	O
role-playing	O
video	O
game	O
developed	O
by	O
K2	O
for	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
.	O
</s>
<s>
It	O
is	O
the	O
sequel	O
to	O
Valhalla	B-Application
Knights	I-Application
.	O
</s>
