Butterfly Ninja, Butterfly Ninja, who is famous for his calmness, rationality and superb poison skills, has a crack in his heart that no one knows about - the deep-seated hatred for ghosts, which stems from the murderer of his parents when he was a child. She kills ghosts with her sword and hides her pain with a smile. She is a reliable partner in the eyes of her teammates.
But no one knows that every night, she will transform into a being wearing a strange ghost face, harvesting the companions she is sworn to protect in the darkness. During the day, she knew nothing about the atrocities at night. Only in the shadow of the tragic deaths of her teammates one after another, her hatred of ghosts became more and more crazy.
When the truth pierced the disguise like a poisonous sting - she discovered that she was the real murderer of her childhood parricide, and that those companions who died late at night were all by her own hands. The blood of ghosts has long been lurking in her body, crushing everything she holds dear in the way she hates the most.
The moment of clarity is the ultimate collision between reason and madness. The butterfly ninja, who is burdened with double sins, will finally end this bloody tragedy caused by himself in the most decisive way in the eyes of everyone.
