Powerful... ( muzan X reader )

* One shot *

Part 2 from the last one shot.

-

Y/n called a meeting for the upper moons to explain what is going to happen. The three chairs were now filled by Muzan, Rui, and Y/n. Rui looked at Y/n, and she nodded at him to reassure him it was safe.

Y/n looked down at the Upper moons who were confused because she looked so serious. Y/n got up from her chair and yelled "Look at my child! Adorable right!!"

Muzan sighed and rubbed his head, 'yep...that's my wife' he thought. Y/n made Rui get up and get close to the Upper Moons. Douma poked him in his cheek and Akaza just looked at him up and down and nodded.

"Adorable Y/n-chan~ I agree," Douma said smiling. Kokushibo bowed down to Rui, and so did Akaza.
"You are a handsome young man," Daki said touching his face than bowing down. Douma didn't cause he was poking Rui, and Akaza dragged down Douma forcing him to bow.

Muzan rubbed his head even more 'Remember Muzan you need them. So you can't kill them. Remember. Remember they are strong so you can't kill them just because they're fucking idiots.' he thought.

Y/n smiled and hugged Rui. Muzan got
up and said "Dismissed." making the upper moons disappear. Y/n patted Rui's head and went to Muzan, "Train him to control his Demon Blood Art please. I need to clean an extra room for him." and kissed his forehead walking away. Muzan hummed in response and got up walking away with Rui by grabbing his wrist gently but pulling him.

-

Y/n smiled at the sight of Muzan teaching Rui new things with his Demon Blood Art. Y/n could not hear it since she is on the other side of the fortress but she could see it. She walked away to go to a nearby village to get humans to cut up and give to the two boys.

"You little shit, how could you not know how to do this!" Muzan whispered yelled. Rui just looked at him and looked away. "Maybe because your only yelling at me and not teaching me step by step," Rui said back.

Muzan got more frustrated, Muzan could not even hurt the boy. He knew Y/n would hurt him a lot if he ever laid a hand on the boy. He also knew Rui was a mama's boy. Muzan rubbed his head and sighed he began to teach him to step by step trying to be patient.

Rui moved his hand and aimed the web, muzan pushed his hand to make him aim better but he shot it out and hit a bunch of vases. They were Y/n's vases from one of the upper moons Gyokko. She cherished the vases a lot and showed them in the room to show his art.

Muzan froze and so did Rui, "you did it," Rui said with a monotoned voice. Muzan got a tic mark and faced Rui "You did it, it was your Demon Blood Art." Muzan spat. "...but it was you who pushed my hand," Rui said looking at him with the same face he always had.

Muzan sighed and snapped his finger making Gyokko appear. Gyokko bowed down immediately and said "Yes Lord Muzan." Muzan looked down at him and said "Repaint all those vases you made ever made Y/n." Gyokko eyes widened and he said, "My lord that will take days, she has gotten about 50 from me."

Muzan glared down at Gyokko and Gyokko said "I will do my best." and disappeared. Rui turned to Muzan and said, "She's going to find out, she's not dumb." "Shut up," Muzan said sighing. To make it worse Lucifer (the cat) came and jumped on his shoulder. "You furry little shit. what do you want" Muzan said looking at the cat.

You could see the light in Rui's eyes when he saw the cat. He snatched the cat off of Muzan's shoulder making Muzan turn to him, "You've gotta be fu-"

"What happened in here!!!?" Y/n yelled running towards her vases/pots that were broken. Y/n glared at both the boys, Muzan stepped back and so did Rui.

Rui went behind Muzan and Muzan eyes widened "No you go in front of me." He whispered yelled grabbing Rui's shoulder and making him get in front of him.

Rui said "I'm sorry, he and I made a mistake. He was trying to teach me and I was having a hard time learning since no one has taught me in such a long time." with a sad voice and gave a small smile.

'Y/n I know your not gonna fall for this cra-' Muzan thought Y/n ran up to Rui and picked him up hugging him "Awe it's okay! Muzan will teach you right he's a good person to learn off of!" Y/n said. Muzan was shocked how he was able to trick Y/n so easily. 'Maybe I should take him with me everywhere so he can do that to cover for me.'

-

Rui finally had his own room, and the cat was glued to him. Wherever Rui went the cat went, so they were buddies. Rui, once asked Kokushibo if he was a spider, Kokushibo just patted his head and disappeared.

Y/n still babied Rui, and let him get away with so many stuff Muzan was just not even believing it. Muzan was more of the bad cop and Y/n was the good cop in the parenting part.

Muzan was once reading his book trying to read about the flower he's looking for and Lucifer just got on his lap laying there. Muzan cringed at the sight and pushed Lucifer off of him. "Go away furry things"

A voice out of nowhere said, "His name is Lucifer, don't be rude.". Muzan looked up to see Rui, Muzan rolled his eyes and said "Go away Lucifer."

Rui furrowed his (nonexistent) eyebrows at muzan. "You need to be more polite to him," Rui said. Muzan looked up and looked at Rui with a 'Who the fuck do you think you're talking to' face. "Get out of this room and take that furry thing out with you," Muzan said looking at Rui.

Rui looked at him back not moving. Muzan stood up and Rui looked up as he stood up. Muzan was about to say something but Y/n barged in and smiled, "Come on! Let's go I brought a couple of people to eat!" Y/n said grabbing Muzan and Rui's wrist dragging them around.

_

Muzan smiled as his wife and he was cuddling in bed, Muzan was buried into Y/n's chest and Y/n was playing with his hair and complained about how his hair is better than her own. Muzan chuckled a little and a small knock was made through the sliding door.

Y/n yelled so they could hear behind it "Come in!" Muzan got off Y/n and was about to glare... maybe kill the person who interrupted their privacy. But it was Rui, "Hi Rui!" Y/n said smiling, Rui waved and motioned for the both of them to follow him, which Y/n gol up to but Muzan stayed in bed.

Y/n turned around and smiled with multiple veins coming out of her head "I don't see you getting up" Y/n said holding her hands together. Muzan got up and walked beside Y/n as they were following Rui wherever he was taking them.

It was part of an empty space in the fortress there was a dead body in the middle. Muzan was now curious about what he was doing. Rui put his hands out and mumbled "Demon Blood Art; Murderous Eye Basket." And a huge red cage appeared getting smaller by the second, the cage cut the dead body up into bits of pieces.

"You did it!!" Y/n yelled and shaking Muzan "Did you see that Muzan! He did that in one day because of you!". Muzan had a small smile on his face looking at Rui.