Crossing Over

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Giyu moaned as loud as he could, He pleaded and begged for Muzan to slow down. But, He only sped up.

"N-N-Ahhh~! No! Sl~ slow- D-Down!" Giyu said while moaning loudly.

"No can do~!" Muzan said

3 hours later

"You passed out already?" Giyu flopped on the bed as soon as Muzan stopped for a second.

Muzan held Giyu's cheek with his hand, and smiled. "So cute.."

The younger one was breathing softly next to Muzan, with his body already limp. Muzan knew this was going to happen earlier so he went as fast as he could.
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"Where do you think you're doing, Bakugo?" He wrapped his long gray scarf around the blonde, who was sneaking out.

The blonde scoffed, he used his quirk to release himself from the scarf. "None of your business"

In truth, the mother of the Kibutsuji family is having a child. You see, he does not identify as either genders, he has women and men organs.

"No, Kaminari seen you sneaking out of here every day. When he followed you, you weren't in sight, explain" Aizawa wrapped his scarf around Bakugou again.

"FINE! It's a family emergency this time" Bakugou was not lying, Nakime was monitoring what's happening. Giyu is keeping her from teleporting him to the infinity castle.

"Go with someone else, then I'll let you go"

"Fuck no"

"Go with Midoriya"

"N- Fine..."

After they woke Izuku up

"Come on! Follow me" Bakugou dragged Izuku out of bed, literally and Physically.

The 2 got out of the school, Bakugo said something Izuku thought he would never say.

"Hold me hand" Was what he said, Izuku held his hand and Bakugou yelled out Nakime's name.

Izuku was confused for a split second, but he realized when he got teleported to and awfully detailed wooden place with many stairs, doors, windows, floors, and walls.

"We're in my family's house, don't worry" Bakugo picked Izuku up and started leaping from one place to another, going west. They entered the place where everyone lives.

"If you can handle that, you'll never be a good hero!" He hit the green-haired boy who he was carrying.

"Now now Kazui, don't be so mean on the poor boy" Doma walked out of a door and spot the two.

"What would mother think?" He added.

"Fine, I'm sorry" the smaller blonde stopped being so mean to Izuku and helped him up.

'This is not Kacchan' Izuku thought

"Oh hey! The child of the family came!" Gyokko was literally getting strangled Sekido, Aizetsu, Urogi, and Karaku.

"What the-" Izuku said before getting cut off with random obi belts.

He noticed Bakugou's eyes sparkled and he ran towards a woman with onion hair. "Daki san!" He yelled.

"Okay what the fu-" Izuku was cut off again.

"DAKI WAIT FOR ME!!" Said a man who looked like a praying mantis, according to Izuku/Deku. Bakugou just calls him Taro-nii.

"Taro-nii!" He hugged him and was on his toes, because he's the shortest in the family.

"..." Deku was confused, as you can see.

"Oh Deku, this is my family" Bakugo turned around and saw the confused green haired boy he was forced to bring  with him. "Taro-nii, Where's Kaigaku?"

Kaigaku is dating Gyutaro, that's how he's a Kibutsuji. But I'm making Gyutaro A Shabana [his actual last name] and A Kibutsuji, does Hashibira count?

"He's getting a new katana, that kid fought a hashira, the Earth hashira and she broke his sword in battle" Giyu explained, still being in Muzan's arms.

"What the fu-"

"Don't you dare say it Deku"

"Not say what exactly Kazui?"

"It's nothing Douma-san!"

"Tell me"

"No"

"Tell me"

"No"

"DOMA WHAT THE HELL ARE YOU DOING" Akaza punched Doma's head off.

Giyu looked at the blood on the floor and then Akaza.

"Dear, why must you do this everytime you're mad at him? You could just ask for my katana I had from being a hashira, you know that right?"

Katsuki remembered something he really wanted to say

"Oh yeah I wanted to ask you guys something!" Katsuki/Kazui said.

"What is it?" Giyu asked.

"Can I become a demon slayer?"

"Hold on, what's a demon slayer? Amd what are demons?" Deku asked.

"I thought Kazui told his friends, Demon slayers, their meaning is in the name. Demons are human eating creatures who can have supernatural abilities, can regenerate quickly if their an uppermoon, but all demons can regenerate any lose body parts. Demon slayers use Nichirin blades to kill those demons, Nichirin blade are the only blades you can use to kill Demons" Muzan explained.

"Oh ok" Deku said

"But really, can I become a demon slayer?" Bakugo/Kazui asked.

"You know demons can't become demon slayers, It's just by luck you can stand in the sun and have what you call a quirk, why don't you ever use your blood demon art?"

"Because, they'll think I'm special if I use my bloood demon art"

"A blood demon art is a power by the way brocolli haired boy" Muzan whispered.

"Ok thanks" he Whispered back.

"But...I wanna become a demon slayer"

"Kazui, You can but train some more, what if you get ambushed by 50 demons? What if the lowermoon replacements hear of you and target you?" Kokushibo asked concerned.

"I'll kill them then! But Rui is a exception right?" Kazui asked

"Yes Rui is an exception, he knows about you and giyu but wasn't targeting you when I read his mind" Muzan said.

"Let me sleep..." Giyu groaned is exhaustion and flopped onto Muzan's arms, Nakime teleported them into their room so Muzan could settle Giyu in bed.

"Deku, Do you wanna see my family's blood demon arts? Their cool!" He said, though this was new to Deku.

"Now come one you two kids, to the training room we go" Daki picked them up gently with her obi belts and carried them to the training room with them.

When they got to the training room, everyone was there. Even Muzan was there, he left Giyu in the room so he could rest with no distractions or disturbances.

Words: 1041

woo! Quadruple digits! I probably won't do that again






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