<s>
is	O
a	O
series	O
of	O
Japanese	O
horizontal	O
shoot'em	O
up	O
video	O
games	O
originally	O
developed	O
for	O
Windows	B-Application
by	O
Digital	O
Cute	O
.	O
</s>
<s>
It	O
was	O
originally	O
released	O
as	O
a	O
minigame	O
within	O
,	O
an	O
adult	B-Application
life	O
simulation	O
game	O
.	O
</s>
<s>
The	O
first	O
game	O
of	O
the	O
series	O
(	O
)	O
was	O
released	O
as	O
a	O
minigame	O
within	O
Musumaker	O
released	O
for	O
Windows	B-Application
on	O
December	O
19	O
,	O
2008	O
.	O
</s>
<s>
is	O
a	O
PlayStation	B-Operating_System
Portable	I-Operating_System
port	O
of	O
the	O
Hardcore	O
version	O
.	O
</s>
<s>
Released	O
on	O
Steam	B-Application
in	O
April	O
2016	O
,	O
it	O
is	O
a	O
version	O
of	O
Burunyan-man	O
ECSTASY	O
!!!	O
</s>
<s>
without	O
adult	B-Application
contents	O
.	O
</s>
