<s>
is	O
a	O
Japanese	O
role-playing	O
mobile	B-Application
game	I-Application
released	O
by	O
GREE	O
.	O
</s>
<s>
Game	O
producer	O
GREE	O
released	O
the	O
role-playing	O
card	O
battle	O
game	O
as	O
a	O
mobile	B-Application
game	I-Application
in	O
2011	O
.	O
</s>
<s>
It	O
was	O
streamed	O
on	O
iQIYI	B-Application
,	O
which	O
co-produced	O
the	O
series	O
.	O
</s>
<s>
The	O
series	O
was	O
simulcast	O
by	O
Crunchyroll	O
under	O
the	O
title	O
Cerberus	B-Application
.	O
</s>
