So obviously Arc V didn't have a great finale, with the professor being a disappointing villain and his whole plan, at least the execution, being a sort of flop. Of course there are other stuff that made Arc V not the greatest received YuGiOh series, but I'm mostly wanna talk about Leo Akaba, Ray Akaba, Z-Arc, The Yu-Boys and Bracelet-Girls and it all stemmed from an idea someone else had(Unfortunately, I forgot if it was here, a reddit, or a comment on a video), but someone got the idea of Instead of Ray being Leo's child, it would instead be Z-Arc, and that got me thinking, "how far could I expand upon this?"

So there would obviously be some tweaks in the story to make it fit better:

• For starters Ray and Z-Arc would actually be bf and gf because 3/4 Yu-Boys and Bracelet-Girls had a thing for each other in canon, and since the boys and girls are a fraction of the two I feel like a Ray and Z-Arc relationship would basically be the whole picture.

• After the dimensional split, when Leo travels to the fusion dimension and meet Yuri, he's gonna actually treat him like his own instead a weapon. (Celina would get a similar treatment in canon with her being cooped up in Duel Academy, but would actually have Yuri as a sort of rival/frenemy)

• This part I actually wanted Leo to use his brain. At first I was gonna keep the whole dimensional conquering for a better world thing, but then I remembered in this story if Leo is Z-Arc's son and aware of his darkness, I would think he'd want a fragment of his son to grow up just not exposed to death destruction. So instead the Duel Academy military would be more discreet, instead of being destructive and obvious(Obviously Yuto and the Yu-Boys would still have Z-Arc's darkness locked within them)

• Now comes to what he wants to do with Bracelet-Girls, and while if we were to retain his canon traits, we would definitely kill them so Ray could harm Z-Arc again, but in this rewrite he's actually a lot smarter and plans to keep them alive so they can become Ray and try and have Z-Arc return to people more familiar to him.

• Lastly as for the Z-Arc Battle idk, how that would turn out. Maybe have Z-arc play with Leo's emotions(as act like his normal self, as if Leo was getting through to Z-Arc)before finally dealing a critical blow to him and Leo coming to terms that his first born son is a true monster.

Idk, about the finale though. Maybe Z-Arc and Ray, and rest of the Yu-Boys and B-Girls living independently?(Maybe have each of the boys and girls having a fusion, synchro, xyz, and pendulum monsters of their own archetypes)