<s>
It	O
is	O
based	O
on	O
the	O
PlayStation	B-Device
Vita	I-Device
video	O
game	O
Kenka	B-Application
Banchō	I-Application
Otome	B-Application
,	O
which	O
itself	O
is	O
an	O
otome	B-Application
spinoff	O
of	O
the	O
Kenka	B-Application
Banchō	I-Application
game	O
series	O
.	O
</s>
<s>
A	O
sequel	O
to	O
the	O
game	O
,	O
Kenka	B-Application
Banchō	I-Application
Otome	B-Application
:	O
2nd	O
Rumble	O
!!	O
</s>
<s>
Born	O
as	O
a	O
yakuza	B-Application
,	O
Hikaru	O
requests	O
Hinako	O
to	O
switch	O
places	O
with	O
him	O
at	O
Shishiku	O
Academy	O
,	O
an	O
all-boys	O
school	O
overrun	O
with	O
Japan	O
's	O
toughest	O
delinquents	O
,	O
and	O
become	O
the	O
new	O
yakuza	B-Application
boss	O
.	O
</s>
