What happens when Yui goes to the Sakamaki household with her cousin? How will the brothers react when they find out she was from the circus? How will Yuvell react when she finds out they are vampires? (I'm not the best with descriptions ok T-T)

Disclaimer: Nothing in the story is mine except several OCs and plots! Give credits to the original makers ^^ Highest ranking- #2 on Karma #1 on Akabane Kasumi Aika was a girl who was scarred for life ever since she was young. She's a highly trained assassin that has connections with many assassins in the world. However, this time, she's tasked to kill an unkillable teacher, Korosensei. Entering 3-E, she was tasked to stay undercover as long as possible. But of course, it's not easy. Enemies must be faced, and there's a particular boy that's curious about her private life. In this world, it's kill or be killed. Then what are you?

You are the bastard child of Kakashi Hatake. Nearly everyone in the leaf hates you, and you know it. Hell, you hate you. Your only friends are Lee and Gai. Not even your own father wants you. So, you leave... well you're taken by the man you formerly loved, Itachi Uchiha. But you will soon realize that living in a house full of men can have some unexpected consequences and... perks?