<s>
The	O
game	O
was	O
released	O
in	O
Japan	O
on	O
12	O
January	O
2017	O
It	O
has	O
been	O
described	O
as	O
a	O
"	O
Zombie	O
Panic	O
shooting	O
Action	O
"	O
("ゾンビパニック・シューティングアクション"	O
)	O
title	O
and	O
it	O
is	O
considered	O
to	O
be	O
within	O
the	B-Application
Onechanbara	I-Application
videogames	O
series	O
:	O
the	O
setting	O
is	O
,	O
in	O
fact	O
,	O
the	O
same	O
universe	O
.	O
</s>
<s>
However	O
,	O
unlike	O
the	B-Application
Onechanbara	I-Application
's	O
games	O
,	O
the	O
game	O
is	O
set	O
in	O
a	O
private	O
institute	O
attacked	O
by	O
zombies	O
while	O
five	O
young	O
girl	O
students	O
have	O
to	O
fight	O
for	O
their	O
survival	O
.	O
</s>
<s>
Rei	O
is	O
very	O
skilled	O
with	O
shotguns	O
and	O
she	O
is	O
also	O
able	O
at	O
Karate	B-Application
martial	O
art	O
.	O
</s>
<s>
Coming	O
from	O
the	B-Application
Onechanbara	I-Application
series	O
,	O
Anna	O
is	O
a	O
special	O
forces	O
member	O
focused	O
on	O
zombies	O
.	O
</s>
