Book four of the Aku no Taizai series. "And then black turns to red." Based on the song posted by mothy on Nico Nico Douga in June of 2011, tells the story of Lemy, an orphan who becomes the adopted son of the wealthy Julia Abelard. And also depicts how he became the murderer known as "Fifth Pierrot". (Source: Japanese Publisher, translated)
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