Fics like A Black Heart Does Not Always Stay Black

"Killing machine", eight year old Luffy kidnaps an emperors's son, only to be later welcomed onto that ship with his two brothers. What happens when love and care surrounds him, even with his horrifying abilities? And what happens when he's not the only one on the ship with a black heart? Rated M for a lot of violence (murder) and emotional trauma. Some swearing and graphic scenes.

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