A tale about the former leader of a special organization served under royalty, now leaving his past life behind and unintentionally getting involved with the martial world when he attract the attention of the Chief of the Ghost Valley who conceal his identity but still follows him everywhere.
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Drama Adaptation (Youtube - full list)
ps : Alright!!! I have been waiting for so long for this drama to be fully sub and here it is!!!! You guys can read the novel first to full grasp the universe and the concept of the story before you enjoy the drama. As we all know drama adaptation never follows the novel. But for this one, the novel is quite simple and direct to be understand (except the confusion of the ghosts' name.... there's too many of them). And the drama gave us more details about their past relationship and all.
But of course a novel ending is way more exciting than the drama.. ヽ(*⌒▽⌒*)ﾉ