What happens if Yui has a brother? What will happen to them? Will the brothers fall in love with Yui or her brother? What will he do to protect Yui? Don't like it then don't read. Sorry if the summary isn't good but please read. Story for females but males can read this story if they want to. This story is also on Quotev. A little Black Butler crossover.

Kurama hated humans with a passion, but their was one human that he didn't hate. That boy was Harry Potter, his son.

After He escaped Yoriichi he was lucky enough to survive and become the strongest Demon out there, Muzan Kibutsuji didnt age at all for the past centuries. He was wandering around a village until he stumbled upon a young boy who almost look exactly like him. Would he let the same thing happen to him? or he would not be fooled once again?

What if Izuku had a quirk, but one that was labeled useless? What if Slender Man had found him?

Rui had everything in a family , a mother , a father , even siblings. But Rui wanted one more thing and after thinking about the one last thing he needed. He finally realized he needed a lover , so when Tanjirou came into the mountain Rui thought he was perfect to be his lover.

Deemed as inferior and weak for not having a quirk, Izuku Midoriya get obsessed with finding a way to gain more power and show the world who he truly is. In his desperate attempts he meddles with dark forces he should have never attempted to manipulate. How will our beloved green protagonist unfold in this scenario?