<s>
is	O
an	O
eroge	B-Application
visual	O
novel	O
series	O
created	O
by	O
Frontwing	O
composed	O
of	O
the	O
classic	O
entries	O
and	O
one	O
spinoff	O
,	O
titled	O
MegaChu	O
.	O
</s>
<s>
The	O
first	O
two	O
games	O
were	O
rereleased	O
in	O
2008	O
due	O
to	O
a	O
problem	O
with	O
DirectX	B-Application
10	I-Application
and	O
the	O
video	O
playback	O
software	O
,	O
causing	O
Front	O
Wing	O
to	O
standardize	O
all	O
three	O
games	O
released	O
that	O
year	O
with	O
the	O
same	O
engine	O
,	O
which	O
removed	O
compatibility	O
with	O
Windows	O
98	O
and	O
Me	O
.	O
</s>
<s>
Makai	B-Application
Tenshi	I-Application
Djibril	I-Application
4	O
,	O
the	O
beginning	O
of	O
a	O
new	O
saga	O
based	O
at	O
a	O
school	O
seemingly	O
founded	O
by	O
Luvriel	O
for	O
Devil	O
Angels	O
,	O
was	O
released	O
on	O
April	O
23	O
,	O
2010	O
,	O
and	O
used	O
,	O
for	O
the	O
first	O
time	O
,	O
graphics	O
displayed	O
in	O
native	O
576i	O
HD	O
.	O
</s>
<s>
For	O
the	O
2011	O
game	O
,	O
instead	O
of	O
Djibril	O
The	O
Devil	O
Angel	O
5	O
,	O
the	O
game	O
is	O
called	O
,	O
and	O
features	O
all	O
six	O
of	O
the	O
main	O
characters	O
from	O
Djibril	O
Episode	O
1	O
to	O
4	O
as	O
if	O
they	O
are	O
from	O
the	O
Sengoku	B-Application
period	O
of	O
Japan	O
,	O
the	O
last	O
game	O
produced	O
by	O
Noboru	O
Yamaguchi	O
before	O
his	O
death	O
.	O
</s>
<s>
The	O
fifth	O
game	O
was	O
an	O
anniversary	O
title	O
,	O
featuring	O
the	O
casts	O
of	O
Makai	B-Application
Tenshi	I-Application
DJibril	I-Application
3	O
and	O
DJibril	O
4	O
meeting	O
when	O
Luvriel	O
goes	O
to	O
see	O
the	O
Jinnos	O
,	O
only	O
for	O
them	O
to	O
be	O
thrown	O
into	O
a	O
parallel	O
version	O
of	O
Sengoku	B-Application
Japan	O
,	O
with	O
the	O
various	O
Devil	O
Angels	O
taking	O
on	O
personalities	O
that	O
were	O
based	O
on	O
famous	O
Japanese	O
heroes	O
as	O
they	O
try	O
to	O
figure	O
out	O
how	O
to	O
get	O
back	O
to	O
the	O
present	O
.	O
</s>
<s>
The	O
only	O
character	O
not	O
retired	O
after	O
Makai	B-Application
Tenshi	I-Application
Djibril	I-Application
3	O
,	O
Luvriel	O
is	O
a	O
low-ranking	O
angel	O
who	O
appears	O
as	O
Asmo	O
is	O
attacking	O
Rika	O
,	O
attempting	O
to	O
stop	O
him	O
,	O
but	O
failing	O
,	O
and	O
deciding	O
instead	O
to	O
move	O
in	O
with	O
Naoto	O
,	O
help	O
him	O
support	O
Rika	O
,	O
and	O
later	O
Hikari	O
and	O
Nagi	O
,	O
although	O
she	O
seems	O
to	O
spend	O
more	O
time	O
spying	O
on	O
them	O
while	O
they	O
're	O
having	O
sex	O
.	O
</s>
<s>
Whereas	O
the	O
opening	O
of	O
Makai	B-Application
Tenshi	I-Application
Djibril	I-Application
2	O
uses	O
the	O
romanization	O
Luvriel	O
,	O
in	O
the	O
openings	O
of	O
Makai	B-Application
Tenshi	I-Application
Djibril	I-Application
4	O
and	O
Sengoku	B-Application
Tenshi	O
Djibril	O
the	O
spelling	O
Loveriel	O
is	O
used	O
.	O
</s>
<s>
In	O
Makai	B-Application
Tenshi	I-Application
Djibril	I-Application
4	O
,	O
however	O
,	O
this	O
is	O
changed	O
completely	O
to	O
a	O
form	O
of	O
a	O
jumpsuit	O
,	O
with	O
hair	O
colors	O
not	O
changing	O
,	O
and	O
,	O
by	O
Dennou	O
Tenshi	O
Djibril	O
,	O
all	O
Devil	O
Angels	O
are	O
created	O
in	O
the	O
same	O
way	O
as	O
N.A.G.I.	O
</s>
