Hazbin Hotel/Helluva Boss one-shots [Currently Editing]

Loona + little sister!reader

Requested by @Storm7710

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"Y/n~ Where are you?" Blitzo called whole holding a small dress for his 8-year-old daughter. He has just adopted her.
Y/n is a smart kid for being 8-years-old, but she's pretty shy when it comes to interacting with others, especially Loona who's now become her big sister.

Loona being an adult didn't care so much but she still felt a bit bad for scaring the small girl.

Blitzo looked under the kitchen table and sighed when he didn't find her. "Y/n?" He called again, more worried than before. "Answer me, sweetie." He said while walking up the stairs, and that's when he heard a whimper coming from one of the rooms, it was from Loona's.

He knocked and opened the door, "Hey, Loony, have you seen... Y/n." Blitzo's voice dropped at the sight of his oldest daughter glaring angrily at the small girl who was hugging herself in fear. "Loona! Down!" Blitzo scolded. The woman rolled her eyes and stepped back a bit so he could take Y/n who hugged his neck tightly. "What did you do to her?" 

"I did nothing. She came in here without permission and has touched my things and now it's all a mess!" Loona snapped, showing the other part of her room that surprisingly looked... clean.

Every time Blitzo comes in here, it's trash and clothes all over the floor, but now, clothes were perfectly folded and laid in color scheme and the trash was not there anymore.

The man put two and two and sighed while glaring at Loona. "Loona, she didn't make a mess, she helped you." 

"With what? Move around my stuff? I don't know where anything is now," she growled and Y/n closed her eyes as she felt tears forming in them. She tightened her grip on Blitzo's shirt.

"You know she didn't mean to make you angry, your room were filthy before and she thought it was he right thing to help. Thank more on the person's purpose of things before interacting. She's shaking out of fear because of you... Think about what you have done and when you're done, I want you to apologize to your sister." Loona rolled her eyes at the Imp who walked out with his youngest daughter in his arms.

He closed the door behind him and he heard Y/n sniffle. He parted from the hug so he could look at her and put her down to her feat, "Oh, sweetie... She didn't mean to yell at you like that..."

"Sh-She s-said she...*sniff* hate me." The 8-year-old cried and Blitzo's eyes widened, shocked of what he heard.

He shook his head and wiped her tears away with his gloved hands. "Cheer up, N/n. Why don't you play in your room, yeah? I'll bring you some ice cream." Y/n smiled and nodded. "Thanks... dad." Blitzo's heard melted and he hugged her tightly before he parted and watched her walk off to her room.

He had a idiotic smile on his face as his eyes shined with happiness.
That was the first time she had called him 'dad' and he couldn't be happier as he walked back to the kitchen.

Meanwhile Blitzo was in the kitchen. A regretting and ashamed Loona walked out of her room and walked over to Y/n's room.

She peaked inside to see the girl happily try on the dress Blitzo had for her before. Loona let out a sigh and knocked. "Y/n?" The child froze in place as she slowly looked back towards the door.

She saw Loona and looked down at her feet. The hellhound sighed again and crouch down before the girl, "Hey, I...I'm sorry for snapping before... I was... just a bit surprised to see everything cleaned and I guess I... I was a bit frustrated that I couldn't find anything on its right place but... don't get me wrong, it was very nice that you wanted to help, but... next time, please ask me if you can help me, alright?" Y/n nodded slowly as she glanced up at her older sibling and then over at her desk.

She quickly stumbled over and grabbed a paper. She then went back to Loona and handed the paper to her.

Loona who now got curious took it andloooed at the paper to see it was a drawing of her, Y/n, and Blitzo together. They all were hugging each other tightly.

Loona smield and crouch down to her sister's height. She opened her arms and Y/n quickly smashed into her hug. "Thank you, Y/n. It's a lovely drawing."

"I love you, big sis." Loona's eyes widened in shock but soon smiled and closed her eyes as her chin rested on Y/n's head. "I love you too, lil sis."

Unknown to the two, their father was standing by the open door. He smiled brightly as a happy tear left his eyes. He wiped it away and walked into the room. He held a hand on Loona's shoulder and she looked at him.

"I'm proud of you, Loonie." Loona smirked and huffed "Whatever..." she said and handed the letter sleeping Y/n to him. He chuckled and walked over to the bed and laid his youngest daughter down as Loona walked out of the room.

Blitzo covered his daughter with the covers and smiled down at her as she slept with an carefree expression and a small noticeable smile on her lips.

Blitzo went over to the door but stopped when he heard Y/n say, "I love you, dad." He smiled "I love you too, sweetie."