this takes place years after the end of the series. for those of you who prefer seeing them seperate and don't like this story, I will politely ask you to leave.
It's been six years since the Dimensional War and Zarc's revival has been prevented thanks to Yuya's efforts. Everyday life continued on even with things different. The dimensional portal generators still existed, allowing for the denizens of the four dimensions to go to all the different worlds. Riley turned out to be a girl instead of a boy, and has grown into a cute young woman, and was more open now. Henrietta now saw Riley as her daughter, and treated her as such. Riley was now six and in first grade. Leo Akaba was recently released and on probation, working at the Leo Institute of Dueling under his wife and son Declan of the Pendulum dimension. However, there were still some complications left over from the dimensional war, specifically in the reincarnations of Zarc and Ray, Yuya Sakaki and Zuzu Boyle.
Yuya and Zuzu were now dating, as were their dimensional counterparts. Now most wouldn't know why that was complicated, but the reason was they had to share everything. After Riley and Ray beat Zarc, Yuya's dimensional counterparts remained in him and he gained the dimensional dragons. After Yuya managed to make Riley smile and laugh, Ray brought people across the dimensions to the Pendulum dimension as Zuzu was brought back with her three counterparts inside of her.
Now the really difficult part, their urges. They were both 20 now. Yuya had matured quite nicely with a small bit of facial hair. Leo Akaba said that Yuya looked like Zarc before he went all destroyer of worlds, aside from the hair and clothes. Zuzu had also blossomed into quite the beautiful young woman, resembling Ray before she split the dimensions. Her body had also grown quite nicely, her boobs a nice F-cup with buns to match. They could also change their clothes, hair and eyes to the other counterparts. However, due to the four souls in the pair, this increased their lust. It didn't help matters much that with Yuya's rising popularity as a Pro Dueltainer meant reporters kept banging on his door for an interview. They couldn't even go to the movie theater without getting swarmed.
It was Saturday as Yuya and Zuzu were gonna go to the You Show Duel School, which was now open to all the dimensions, many duelists from across the four dimensions attending, including Kite's younger brother Hart from XYZ.
Now, in the Boyle residence, Zuzu was in her room, naked and masturbating.
"Geez, six years and I'm still not used to this increased lust," Zuzu said as her dimensional counterparts floated above her, also naked as they masturbated.
"Tell me about it," Celina said. "Before I met any of you, I never had to worry about hormones so it's new to me."
"Try containing your lust while you have a helicopter brother," Lulu said.
"No worse than living in a tiny garage with your roomie being the guy you like who ends up sweating a lot and sometimes works shirtless," Rin said.
Like Zuzu, each of the other girls also had grown to resemble Ray right before the split the dimensions.
Soon they came, Zuzu releasing enough fluids for all four of them.
"Well, better get dressed so I can meet Yuya at the school."
"Why are you going there on a Saturday again?" Celina asked.
"Because the school is closed, and if I don't get in that boy's pants soon, I'm gonna lose it."
So Zuzu went into her closet to find something to get Yuya's attention but remain modest enough to walk in public.
okay I know that was short, and I honestly wanted to have more but I hit a snag on how to show what Yuya was doing. anyway, here's what I got so far. sorry for the language, but hey this is rated M.