<s>
is	O
a	O
Japanese	O
horror	O
adventure	O
game	O
by	O
Hoshikuzu	O
KRNKRN	O
(	O
Makoto	O
Sanada	O
)	O
for	O
Microsoft	B-Application
Windows	I-Application
and	O
Nintendo	B-Application
Switch	I-Application
.	O
</s>
<s>
It	O
was	O
created	O
using	O
RPG	B-Application
Maker	I-Application
and	O
was	O
originally	O
released	O
as	O
freeware	B-License
via	O
the	O
Den	O
Fami	O
Nico	O
Game	O
Magazine	O
website	O
on	O
August	O
14	O
,	O
2015	O
.	O
</s>
<s>
It	O
launched	O
on	O
Steam	B-Application
in	O
Japanese	O
,	O
Chinese	O
,	O
Korean	O
and	O
English	O
on	O
December	O
19	O
,	O
2016	O
.	O
</s>
<s>
Two	O
manga	O
adaptations	O
,	O
one	O
based	O
on	O
the	O
game	O
and	O
one	O
on	O
the	O
prequel	O
,	O
written	O
by	O
Makoto	O
Sanada	O
and	O
with	O
art	O
by	O
Kudan	O
Nazuka	O
,	O
began	O
serialization	O
in	O
Media	O
Factory	O
's	O
shōjo	O
manga	O
magazine	O
Monthly	O
Comic	O
Gene	O
in	O
2015	O
and	O
Kadokawa	O
Pixiv	B-Application
in	O
2016	O
,	O
respectively	O
.	O
</s>
<s>
However	O
she	O
wakes	O
up	O
to	O
find	O
herself	O
on	O
the	O
basement	O
Floor	O
B7	O
instead	O
with	O
no	B-Application
memories	I-Application
apart	O
from	O
her	O
name	O
and	O
the	O
reason	O
she	O
came	O
to	O
the	O
hospital	O
.	O
</s>
<s>
After	O
witnessing	O
a	O
murder	O
,	O
she	O
is	O
taken	O
to	O
a	O
hospital	O
for	O
counselling	O
,	O
only	O
to	O
wake	O
up	O
on	O
Floor	O
B7	O
with	O
no	B-Application
memories	I-Application
from	O
her	O
past	O
.	O
</s>
<s>
He	O
is	O
noticeable	O
for	O
his	O
body	O
being	O
completed	O
covered	O
in	O
bandages	O
and	O
wields	O
a	O
grim-reaper-like	O
scythe	O
.	O
</s>
<s>
In	O
the	O
official	O
Angels	B-Application
of	I-Application
Death	I-Application
guidebook	O
,	O
it	O
is	O
explained	O
that	O
while	O
working	O
on	O
one	O
of	O
his	O
furniture	O
,	O
Shin	O
hurt	O
his	O
hand	O
by	O
accident	O
,	O
causing	O
his	O
blood	O
to	O
stain	O
the	O
furniture	O
.	O
</s>
<s>
The	O
prequel	O
of	O
the	O
game	O
,	O
Episode.0	O
,	O
also	O
by	O
Kudan	O
Nazuka	O
and	O
Makoto	O
Sanada	O
began	O
its	O
serialization	O
on	O
the	O
MFC	O
Gene	O
Pixiv	B-Application
series	O
on	O
March	O
3	O
,	O
2017	O
.	O
</s>
