Takes place after the 3rd Brother of Gold. After Buggy moves into Gotham to be with his mother, father and brother, Luffy is taken to the Wayne Manor also to be raised and be mentored by Bruce Wayne. Luffy is soon an outcast to his new older and younger brothers and feels like Bruce Wayne doesn't see him as a son, but more a random kid in his mansion. Causing trouble, being a nuisance to the Waynes, he has brought stress to Bruce, his sons, and even Alfred. But of course the only person who understands him is Alfred the butler. But when Bane escapes from Arkham, and even Death Void has shown up, Luffy wants to prove his new family that he can focus and be the best son/brother ever.