<s>
is	O
a	O
Japanese	O
adult	B-Application
visual	O
novel	O
produced	O
by	O
Giga	O
,	O
originally	O
released	O
on	O
March	O
31	O
,	O
2006	O
.	O
</s>
<s>
The	O
game	O
was	O
ported	O
to	O
the	O
PlayStation	B-Device
2	I-Device
in	O
2007	O
,	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
in	O
2009	O
,	O
and	O
the	O
PlayStation	B-Device
Vita	I-Device
in	O
2015	O
came	O
with	O
additional	O
content	O
although	O
the	O
adult	B-Application
content	O
was	O
removed	O
.	O
</s>
<s>
Kono	B-Application
Aozora	I-Application
ni	I-Application
Yakusoku	I-Application
o	I-Application
takes	O
place	O
on	O
a	O
fictional	O
island	O
called	O
located	O
slightly	O
south	O
of	O
Honshū	O
in	O
Japan	O
.	O
</s>
<s>
She	O
appears	O
only	O
in	O
the	O
PSP	B-Operating_System
game	O
.	O
</s>
<s>
The	O
PlayStation	B-Device
2	I-Device
port	O
,	O
Kono	B-Application
Aozora	I-Application
ni	I-Application
Yakusoku	I-Application
o	I-Application
:	O
Melody	O
of	O
the	O
Sun	O
and	O
Sea	O
,	O
was	O
released	O
on	O
May	O
31	O
,	O
2007	O
.	O
</s>
<s>
The	O
PlayStation	B-Device
2	I-Device
port	O
included	O
additions	O
and	O
corrections	O
by	O
Kikakuya	O
to	O
the	O
scenarios	O
,	O
changes	O
to	O
the	O
CG	O
and	O
game	O
system	O
,	O
and	O
new	O
short	O
stories	O
that	O
are	O
introduced	O
after	O
a	O
particular	O
route	O
has	O
been	O
cleared	O
.	O
</s>
<s>
The	O
PlayStation	B-Operating_System
Portable	I-Operating_System
port	O
,	O
,	O
was	O
released	O
on	O
June	O
25	O
,	O
2009	O
.	O
</s>
<s>
The	O
PlayStation	B-Device
Vita	I-Device
port	O
is	O
scheduled	O
to	O
be	O
released	O
on	O
December	O
17	O
,	O
2015	O
.	O
</s>
<s>
ReceptionKono	O
Aozora	O
ni	O
Yakusoku	O
o''	O
was	O
awarded	O
the	O
Bishōjo	B-Application
Game	I-Application
Award	O
gold	O
prize	O
in	O
the	O
scenario	O
,	O
theme	O
song	O
,	O
romance	O
,	O
and	O
user	O
approval	O
categories	O
in	O
addition	O
to	O
the	O
grand	O
prize	O
in	O
2006	O
.	O
</s>
<s>
It	O
was	O
also	O
voted	O
the	O
12th	O
most	O
interesting	O
galge	B-Application
in	O
a	O
survey	O
of	O
Dengeki	O
G	O
's	O
Magazine	O
readers	O
in	O
August	O
2007	O
.	O
</s>
