Previously

Iri: Make sure to occasionally visit us Sweetheart. I'd love to taste your Cooking again.

Vorzech: And make sure to occasionally fight me. I might miss the feeling of a Tough battle.

Y/n: We will. Bye Vorzech, Bye Iri. Let's go Love.

Rose: Okay.

Vorzech and Iri: Bye you two.

We left the Arena. Vorzech and Iri went back to the Throne room while Me and Rose went back to the Overworld. When Lucifer saw me, Let's just say He was shocked and Impressed that I have Rose at my side. The Students glared at me with jealousy. But I ignored them.

And now
A few months later

After my Trials with the King of Demons, I now have my Future Wife at my side.

With the Approval of Vorzech and Iri, We are now Engaged and now living in a Big House for us and our Future Kids in Union City, Section 2. I requested Vorzech for it to be near Union Academy so when the Time comes, I will have my Vengeance.

Speaking of Vengeance. I explained to Vorzech and Iri about my Past, my Time in Union, and Suicide. More or less, They were shocked and sad about me. They question how was I alive, So I introduced them to Dante and Vergil.

When They met Dante, Vergil, and Genesis. Let's just say that they were shocked that the Gods are infront of them and the fact that I was their Champion and Descendant.

Vorzech finally understood why I was so strong, and Iri understood why I make such delicious food.

I trained Rose during our time together, So that She can now be almost as Strong as me.

During the few months. I got Stronger and fought Vorzech a few times. Dante and Vergil said I was now Stronger than them, and Genesis said that I'm nearly stronger than her in terms of Magic.

Vorzech was glad that He met me and married her Daughter, Because now He finally felt the Exhiliration of a Real and Tough Fight continuiously. Iri really enjoyed my Cooking and was glad She met me.

Since Me and Rose now have a House, Dante suggested that we should work for a Living. He suggested that during his time in the Overworld, He killed all kinds of Races for the Right price, Ranging from Grimm to SSS class Demons. So we started killing Grimm, Criminals, Demons, etc. For the right price.

Our Employer made a promise to never reveal our name, in exchange for a slightly lesser amount of cash, Which we agreed to.

Present Time

I was wandering the Market place for Fresh Ingridients. I brought my Infinity bag, A bag that can Store infinitely. I came up to a Stall because I saw something that made me curious.

Y/n: Sir, What's in the Crate?

Man: No idea, I found it in my storage. I sometimes caught it moving. You buying it?

I scanned the insides of the Box. To my shock, It was a Little girl. I read the Man's mind and he was right, He did found it.

Y/n: I'll buy it, How much?

Man: Just 20 dollars. No idea whats Inside and I can't even open it no matter how hard I try, So I'm selling it cheap.

I gave him the $20 and left with the Box. Before I went home, I bought all the ingredients

House
Y/n POV

Y/n: I'm home.

Rose came from the Upstairs wearing her usual outfit.

Rose: Honey, Welcome back *notices Box* What's in the Box?

Y/n: A Little girl.

Rose: A girl? Who would put a Little girl in a Small box?

Y/n: I don't know. The man selling the Box found it, He couldn't open it and didn't know whats inside, So I bought it for 20 dollars.

Rose: Then open it.

I tried opening it casually, but The Man was right, It's sealed tight. So I used my Magic to open it, The seal opened and the Little girl popped her Head out.

She has a Bamboo muzzle on her mouth. She also wore a light pink kimono with a hemp leaf pattern. Her hair is long, black and reaches just below her waist, but the Black color turns to flame-orange color when it reached her elbows. Sharp, claw-like pointy nails. The most recognizable about her is that She's very cute.

Y/n: Hello there little one. What's your name?

She kept quiet. Must be the Muzzle. I read her mind and I found out that she is very quiet.

Y/n: Don't worry, We're not gonna hurt you. Just come here.

She hesitantly came out of the box and went over to me. When she was infront of me, She looked up at me. I just patted her head, and she ended up taking my hand and nuzzling into it.

I felt like I could faint from this Amount of Cuteness. I looked at Rose and her nose was bleeding a little.

Rose: Sooooo cuuuutteeee~~

I took her and carried her. She just looked at me.

Y/n: So what's your name?

She hesitantly took off her Muzzle. And when she did, She spoke in a Very Cute voice.

Nezuko: N-Nezuko. Just Nezuko.

Y/n: Why do you have no last name?

Nezuko: *about to cry* I-I was disowned by my Family. For being born a Demon.

A/n: Both of her "Parents" are Humans. Why born Demon? It's Fanfiction.

I was pissed off big time. How could her Parents disown someone so cute?! I read her memories and found the Names of her parents, I have now have two new people in my kill list.

Y/n: Well. Do you want to have parents again?

Nezuko: P-parents? Who would want a Demon me?

Rose: *hugs her* Us. I too am a Demon, And Y/n loves me for it.

She was now crying because We offered her for us to be her Parents.

Nezuko: R-really?!

Y/n: Yes. Welcome to the L/n Family, Nezuko.

She cried and bearhugged me and Rose.

Nezuko: Thank you!!!!

Y/n: It's nothing Sweetie. Now, Do you want something to eat?

Nezuko: Yes Daddy.

From Fiancé to Father in One day, And plus, My child is very cute. Is this a Blessing?

Y/n: Okay then. Just follow you're new mother to the table, I'm cooking something special for you.

She dropped down and took her new mother's Hand. They both walked to the Table while I went to the kitchen.

A/n: If any of you gonna question how Nezuko survived many months, maybe years inside that Box, Let's just say.

Anime Logic

4 days later
Rose POV

I was walking with my Fiancé and daughter.

My Mother took her out and played with her for a bit while my Love talked and fought my father again. I swear, Those two are like Inseparable when it comes to Fighting.

Right now. We we're going to the Ice cream shop because Nezuko wanted some and with Y/n's expression, He wants to.

Y/n: So Sweetie (What he calls Nezuko), What flavor do you want on your Ice cream?

Nezuko: Strawberry!

Y/n: Alright then~.

As We passed an Alley, Y/n stopped and looked at it.

Rose: Honey, What's wrong?

Y/n: Something or rather Someone is coming. Running.

Right on cue. A little girl with 1 small brown horn on her head and with bandages around her body bumbed into Y/n's Leg, but He didn't budge and just looked at the girl.

Y/n: Careful there little one.

I grabbed her shoulders and felt that she was trembling.

Y/n(mind): Hmmmmmmm.

???: You should be more careful. We don't want to cause trouble to anyone.

All four of us looked to the voice. It was Kai Chisaki, also known as Overhaul by his Quirk and rank as Boss. He's described as a Villain. Might bring his bounty up.

Y/n: Hmmmm.

Kai: Forgive my Daughter Dude. I don't know what to do with her, always playing around.

I scanned both of their memories. And Just like that, I want him dead already. She has PTSD due to her her mother. Luckily, My Employer gives the bounty money to us, both dead or alive.

Y/n: Hmmmm. Can I ask?

Kai: Sure. I guess.

Y/n: Do you ever fear death?

Kai: And Why would I fear that?

Y/n: *Blue Demon Voice* Because You're staring at him.

I slashed him with the Legendary Sword, Instantly Killing him. I'm all out of mercy, and I don't want to hear his Voice.

Y/n: Farewell Villain. You shall not be missed.

I turned to the Little girl.

Y/n: Kid. You feelin' okay?

Eri: *silent*

Y/n: He's gone now. He won't hurt you.

Eri: U-u-ummm. Th-thank you Sir.

Y/n: Call me Y/n. The Lady is Rose, My-ohhh, Too young. Well let's just say, We are close, very close. And the Kid is our daughter, say hello Nezuko.

Nezuko: He-hewwo!

Eri: M-my Name is Eri.

Rose: Baby. We should adopt her, She doesn't have parents, and I think Nezuko would like to have a Big/little Sister.

Y/n: You read my mind. *to Eri* Wanna have new parents?

Eri: Ummmm. Uhh

Y/n: We promise. *offers hand* We will protect you and care for you like our Real Daughter.

Eri: *takes hand* O-okay Mister.

Y/n: *carries her* You can call me your Dad from now on.

Rose: And you can me your Mom from now on.

We soon left the alleyway. But not before I teleported the Body of Overhaul to my Employer. I received a Call and It was my Employer.

Employer: *call* Overhaul. You handed him Dead. But I did say Dead or Alive for Wanted. Anyways. The $10,000 has been wired to your Account Kid.

Y/n: *call* Thank you Sir.

I ended the call and continued on our Family bonding. With a New Family Member.

End of Chapter.