<s>
is	O
a	O
Japanese	O
romance	O
drama	O
adult	B-Application
visual	O
novel	O
developed	O
by	O
CUFFS	O
(	O
"	O
Sphere	O
"	O
)	O
.	O
</s>
<s>
A	O
sequel/fan	O
disk	O
titled	O
Haruka	B-Application
na	I-Application
Sora	I-Application
was	O
released	O
later	O
on	O
October	O
24	O
,	O
2009	O
,	O
which	O
contains	O
new	O
and	O
expanded	O
scenarios	O
for	O
several	O
characters	O
from	O
the	O
original	O
game	O
.	O
</s>
<s>
Kazuha	O
is	O
an	O
experienced	O
viola	B-Protocol
player	O
,	O
yet	O
she	O
shies	O
away	O
from	O
playing	O
in	O
competitions	O
,	O
preferring	O
to	O
play	O
only	O
for	O
those	O
she	O
cares	O
for	O
.	O
</s>
<s>
In	O
Haruka	B-Application
na	I-Application
Sora	I-Application
she	O
is	O
the	O
protagonist	O
of	O
her	O
own	O
route	O
.	O
</s>
<s>
In	O
Haruka	B-Application
na	I-Application
Sora	I-Application
she	O
shows	O
a	O
more	O
cute	O
side	O
of	O
her	O
as	O
a	O
"	O
tsundere	O
"	O
in	O
her	O
route	O
.	O
</s>
<s>
A	O
sequel/fan	O
disk	O
titled	O
Haruka	B-Application
na	I-Application
Sora	I-Application
was	O
released	O
later	O
on	O
October	O
24	O
,	O
2009	O
,	O
which	O
contains	O
full	O
scenarios	O
for	O
Kozue	O
and	O
Yahiro	O
,	O
an	O
expansion	O
to	O
Sora	O
's	O
story	O
from	O
the	O
original	O
game	O
,	O
and	O
additional	O
bonus	O
material	O
.	O
</s>
<s>
Yosuga	B-Application
no	I-Application
Sora	I-Application
was	O
adapted	O
into	O
a	O
12-episode	O
anime	O
series	O
that	O
started	O
airing	O
on	O
October	O
4	O
,	O
2010	O
.	O
</s>
<s>
There	O
are	O
5	O
Drama	O
CDs	O
:	O
2	O
released	O
with	O
the	O
purchase	O
of	O
the	O
original	O
visual	O
novel	O
"	O
Yosuga	B-Application
no	I-Application
Sora	I-Application
"	O
from	O
stores	O
Sofmap	O
and	O
Messe	O
Sanoh	O
,	O
1	O
released	O
with	O
the	O
pre-ordering	O
of	O
its	O
Fan	O
Disc	O
"	O
Haruka	B-Application
na	I-Application
Sora	I-Application
"	O
,	O
and	O
2	O
released	O
with	O
the	O
purchase	O
of	O
the	O
Blu-ray	O
volumes	O
2	O
and	O
4	O
of	O
its	O
anime	O
adaptation	O
.	O
</s>
<s>
Yosuga	B-Application
no	I-Application
Sora	I-Application
was	O
adapted	O
into	O
a	O
manga	O
of	O
the	O
same	O
title	O
,	O
illustrated	O
by	O
Takashi	O
Mikaze	O
,	O
and	O
serialized	O
from	O
October	O
2009	O
to	O
January	O
2011	O
issues	O
of	O
Kadokawa	O
Shoten	O
's	O
Comp	O
Ace	O
magazine	O
.	O
</s>
<s>
There	O
are	O
9	O
music	O
releases	O
:	O
3	O
affiliated	O
to	O
the	O
original	O
visual	O
novel	O
"	O
Yosuga	B-Application
no	I-Application
Sora	I-Application
"	O
,	O
1	O
affiliated	O
to	O
its	O
fan	O
disc	O
"	O
Haruka	B-Application
na	I-Application
Sora	I-Application
"	O
,	O
and	O
5	O
affiliated	O
to	O
its	O
anime	O
adaptation	O
.	O
</s>
