<s>
Hero	O
Plus	O
,	O
previously	O
known	O
as	O
Hero	B-Protocol
Online	I-Protocol
,	O
is	O
a	O
free-to-play	O
massively	B-Protocol
multiplayer	I-Protocol
online	I-Protocol
role-playing	I-Protocol
game	I-Protocol
(	O
MMORPG	B-Protocol
)	O
produced	O
by	O
Netgame	O
based	O
on	O
a	O
story	O
written	O
by	O
three	O
generations	O
of	O
Chinese	O
novelists	O
.	O
</s>
