This is a multi-part heartwarming comedy oneshot set in Hell, in place of the canon 'Sinsmas' episode ... featuring Stolas, Octavia, and I.M.P!

In this part, the story behind the Sinsmas holiday is explained ... and it leads into Millie and Moxxie heading off to a celebration Blitzo's holding at I.M.P headquarters!

I do not own anything belonging to Helluva Boss; the credit for story and characters goes to Vivziepop! I hope that you guys like it! 👍

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(I plotted and planned out this fanfic before 'Sinsmas' because I had ... concerns ... about the episode, due to the leaks.)

(So I devised this fanfic instead, and I hope that people enjoy it just as much as the canon episode! Kudos to Vivziepop and her team for making Sinsmas!)

(By the way, in this fanfic's universe ... Mastermind and Sinsmas haven't happened? So this happens after the Ghost episode!)

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*A book: 'The Tale of Sinsmas' is opened, revealing a series of colourful images ... which then turn to scenery*

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Millie: Once upon a time ... Hell was very different, to what it is now ...

The hellish sky stretches on forever, above a wilderness of a wasteland ... tinged with the red shades of the Pride Ring.

Millie: The Rings were just wastelands ... populated by every type of critter and creature you could imagine ...

Running around in the wastelands ... were various critters and creatures of different sizes ... which vaguely resemble imps, hellhounds, drakes etc.

Millie: For them, life was simple ... and repetitive.

The demonic critters growled, played, hunted, and sparred over and over again ... in their hellish homeland.

Millie: But that all changed, one morning ...

A little hellhound critter barks fiercely at a tinier drake, defending a bone ... which the drake kept trying to grab.

Millie: One morning ... when the critters of Pride saw a great star fall from the heavens above ...

The two creatures suddenly get distracted by a bright light above, and look up to see a huge golden star plummeting towards them.

Millie: None of them had ever seen such a sight before ...

The critters stare up in awe and some fear, as the star flashes and flares ... multiple wings flapping within.

Millie: The star smote the ground with an almighty crash, causing all nearby to flee in terror ...

As the star hits, all of the creatures screech in panic and run ... some knocked off their feet by a shockwave of light and power ...

Millie: When the dust settled, some creatures decided to return to the scene ...

A couple of minutes later, several critters creep cautiously towards the impact zone ... including the hellhound and drake.

Millie: What they found ... baffled their imagination!

The creatures all gasp in wonder ... their eyes widening as they see two figures getting to their feet in the middle of a small crater.

Millie: A literal angel, the like of which they'd seen flying in the heavens above, stood before them ...

One of the figures (looking slightly shaken) was a relatively short man with a hat, and six huge, beautiful wings.

Millie: At the angel's side, holding hands with him, was a woman whose poise and beauty struck them all speechless ...

The other figure was a drop-dead gorgeous woman (with long hair and a mesmerising aura), who was standing next to the man.

Millie: At first, the duo seemed dangerous to the critters ...

The angel's eyes narrow warily at the approaching creatures, his hands starting to glow with power ... causing them to cower.

Millie: But the creatures soon learned that these unexpected arrivals were not a threat to them at all ...

The woman suddenly puts a restraining hand on the man's shoulders ... and then bends down to smile and beckon warmly to the critters.

Millie: In fact, they turned out to be their saviours!

The hellhound critter cautiously approaches the woman, and then begins to nuzzle her hand ... causing the man to smile too.

Millie: The Golden Angel empowered six individuals to be guardians of their respective Rings ...

Lucifer concentrates on a large sphere of blazing, golden light in his hands, while standing in front of six floating critters.

(The hellhound and drake from before are among these critters)

Millie: The Deadly Sins ... with the Golden Angel as their seventh member.

Lucifer then crushes the sphere with both hands, causing the glow to break into six streams of golden-red magic that go into the critters.

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The critters all screech and shudder as the power hits them; their bodies morphing and twisting into the familiar Deadly Sins of Hell.

Millie: Following this, the Morning Star and his bride rose to become the king and queen of all Hell ... and have ruled us wisely ever since ...

The scene then switches to the crowned Lucifer and Lilith (in full demon form) ... standing on the the top of a series of tiers ... with the Deadly Sins directly below.

Millie: And every Sinsmas ... we celebrate, retell the legend, and remember that one day ...

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*The scene then changes back to the pictures in the 'The Tale of Sinsmas' book, as it's closed by a set of imp hands*

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In the sitting room, Moxxie and Millie's apartment, Pride Ring, on Sinsmas Eve ...

"And that's ... how Sinsmas came to be ..." Millie finished the tale, while smiling and putting the book down on a nearby table.

Moxxie, who was sitting in front of her on the floor ... with an adorably-childlike smile ... sighed happily.

The two imps were sitting together in their sitting room, which had lots of Sinsmas decorations hung everywhere, and a small, bedazzled, flaming tree in the far left corner.

"Perfect ... I always love it when you tell that tale, honey", Moxxie said, getting up and giving his wife a big hug. "You always tell it so well."

Millie blushed and gave her husband a loving nudge in the ribs, as she walked over to the nearest coat rack.

"Flatterer", the female assassin quipped, rolling her eyes affectionately. She began to sort through the various coats, before choosing two relatively thin ones.

"Anyway, we'd better get going", she added. "It's nearly 11 o'clock, and you know how Blitzo is about timing!"

There was a brief second of silence, and then a sudden, panicking shriek from Moxxie rang out!

"Oh cripes, the party at the office! I almost forgot!" screeched the shorter imp, as he ran pell-mell past Millie, and into the kitchen.

"If the boss finds out, he'll hang me out of a fifth-storey window ... again!"

Millie sighed, and began to pick up some wrapped presents that lay by the door.

"I've got the presents, don't worry!" she said, as she picked up the last one. "Do you have all of the ingredients for the hellhog-in-blanket?"

"Yep!" Moxxie answered promptly from the kitchen.

"Brandy snaps!"

"Yep!"

"Crackling?"

"Yep!"

"Fire-Vodka?"

"Yep!"

"Egg-Nog stuff?"

Silence ...

And then ...

"Ahhhhh! No, no, no, no!"

The female assassin's smile turned to a look of concern, as she heard Moxxie scream AGAIN ... and the sound of smashing plates.

"Mox, what is it?" she asked anxiously, walking towards the kitchen.

Before Millie could get there, Moxxie burst through the door ... with an overflowing suitcase in one hand.

The suitcase was crammed full of food, and had three belts around it to hold it shut!

The male assassin looked frantic, and was clawing at his hair with the other hand.

"I forgot the eggs, I forgot the eggs ... Blitzo is gonna kill me! He's gonna kill me! He's—"

"Calm down, Moxxie!" Millie interrupted calmly, gently taking hold of her husband's shoulders and getting his attention. "It's going to be okay."

She gave Moxxie a warm, reassuring smile ... to which he responded with a weak, attempted one.

"Don't worry, we'll pick some up on the way to the office!" Millie said assuredly, her arm around Moxxie's shoulders.

"Now come on, it's Sinsmas! It's supposed to be fun!"

The two imps then left the sitting room, both full of energy and anticipation for the oncoming celebration ahead!

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What do you think the celebration is going to be like? And what do you think of the Sinsmas story above? Vote and comment if you like it! 👍